Peanut Butter Biscotti Recipe ~ Barley & Sage (2024)

Published: · by Kyleigh Sage · This post may contain affiliate links.

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These peanut butter biscotti are drizzled with peanut butter frosting and crushed peanuts! They're super easy to make and the perfect excuse for eating cookies for breakfast! Pair with your favorite coffee drink for an simple brunch treat!

Peanut Butter Biscotti Recipe ~ Barley & Sage (1)
Jump to:
  • What is Biscotti?
  • Ingredient Notes
  • How To Make Biscotti
  • Recipe FAQ's
  • Tips for Success!
  • More Recipes You Might Like!
  • Recipe Card
  • Comments

What is Biscotti?

Biscotti is a long cookie that is twice-baked to make them super crisp and crunchy!

Biscotti is also the all-encompassing term for "cookies" or "biscuits" in Italian. The more specific name for this style of cookie is cantucci or cantuccini, but outside of Italy they are commonly just called biscotti.

They might seem a little complicated but they're actually super easy to make! We simply shape the dough into logs and bake it. Then let the logs cool slightly, slice them, and then bake the slices a second time! Super easy!

You might also like these peanut butter cupcakes or this pistachio biscotti!

Ingredient Notes

You just need a few ingredients to make this peanut biscotti!

Peanut Butter Biscotti Recipe ~ Barley & Sage (2)
  • Brown butter- My favorite ingredient of all time isbrown butter!! Brown butter is just unsalted butter that has been melted and gently cooked to bring out a toasty, nutty flavor. If you've never made brown butter before, you can check out this post with all my tips forhow to make brown butter!
  • Peanut butter- It's important to use the right kind of peanut butter in baked goods! And by that I mean,smooth processed peanut butter like Jif or Skippy! Varieties of peanut butter labeled "natural" or "minimally processed" are typically thinner and the oil separates more easily, making them less than ideal for baking. That's especially problematic when making the peanut butter frosting!
  • Crushed peanuts - Dry roasted, unsalted peanuts are best for this recipe!

How To Make Biscotti

Preheat the oven to 350°F and line a baking sheet with parchment paper.

Using a hand mixer or a stand mixer fitted with a paddle attachment, cream together the softened brown butter and creamy peanut butter until fully combined and smooth.

Then add in the brown sugar and granulated sugar and cream until light and fluffy.

Add in the eggs and vanilla and beat until just combined.

  • Peanut Butter Biscotti Recipe ~ Barley & Sage (3)
  • Peanut Butter Biscotti Recipe ~ Barley & Sage (4)
  • Peanut Butter Biscotti Recipe ~ Barley & Sage (5)

Add in the flour, baking powder, and salt and mix until fully incorporated.

Then fold in the chopped peanuts. The dough should be sticky.

  • Peanut Butter Biscotti Recipe ~ Barley & Sage (6)
  • Peanut Butter Biscotti Recipe ~ Barley & Sage (7)

Scoop half the dough onto one side of baking sheet and pat it into a 10 inch x 2 inch rectangle that’s about 1 inch thick (lightly wetting your hands helps a lot with this step). Repeat with the other half of the dough.

Peanut Butter Biscotti Recipe ~ Barley & Sage (8)

Bake for 20 to 30 minutes, until golden brown all over. Remove from the oven and let cool for 25 to 30 minutes. Reduce the oven temperature to 325°F.

Peanut Butter Biscotti Recipe ~ Barley & Sage (9)

Carefully transfer the logs to a cutting board and use aspray bottlefilled with room-temperature water to very lightly spritz them (just one spray on each section of the logs). Wait about 5 minutes before using avery sharp serrated knifeto slice biscotti ½ inch wide.

Peanut Butter Biscotti Recipe ~ Barley & Sage (10)

Return the peanut butter biscotti slices to the baking sheet, standing them up with ½ inch in between them, so air can circulate around them. Bake for another 25 to 30 minutes, until dry and golden.

Peanut Butter Biscotti Recipe ~ Barley & Sage (11)

Remove from the oven and transfer to a wire rack to cool to room temperature.

Drizzle the peanut biscotti with peanut butter frosting and sprinkle with crushed peanuts.

Peanut Butter Biscotti Recipe ~ Barley & Sage (12)

Serve the peanut butter biscotti with your favorite latte!

Recipe FAQ's

How do you eat biscotti?

You can eat this peanut butter biscotti like a regular cookie, but since biscotti is so crunchy, it's typically dipped into coffee, milk, or wine before eating.

Do I have to use brown butter in this biscotti?

Nope! You can regular unsalted butter if you prefer! I just love the way the brown butter pairs with the peanut butter!

Why do you recommend processed peanut butter like Jif or Skippy for baking?

It's important to use smooth, processed peanut butter in baked goods! Varieties of peanut butter labeled "natural" or "minimally processed" are typically thinner and the oil separates more easily, making them less than ideal for baking. So just stick to the good stuff!

How long does biscotti last?

Store the peanut butter biscotti in an airtight container at room temperature for up to 2 weeks.

Can I freeze biscotti?

Yes! I recommend freezing the biscotti after the first bake. After the peanut biscotti are sliced, freeze in an airtight container for up to 3 months. To finish baking, let thaw and then bake for about 25 minutes as normal.

Peanut Butter Biscotti Recipe ~ Barley & Sage (13)

Tips for Success!

For best results I always recommend using weight measurements (especially when baking) because it's the most accurate. Kitchen scales are super affordable and also reduce the number of dishes you have to do! However, all my recipes also include US customary measurements for convince. Use this chart to convert measurements for common ingredients!

Substitutions: In all my recipes, I've included substitutions that I know will work, but I cannot guarantee results if you substitute ingredients that I have not recommended. [For example, granulated sugar and honey are indeed both sweeteners but they have very different properties so they can not always be swapped 1:1. Using honey in a cookie recipe that calls for granulated sugar will yield a giant mess.] In the recipe card you'll find links to the specific ingredients/brands that I use.

A note on salt: I almost exclusively use Diamond Crystal Kosher Salt because it's the best all-purpose salt for cooking and baking. If you're not using kosher salt, consult this handy guide for a conversion chart! When in doubt, if you're using table salt just reduce the amount by half for baked goods. When cooking, I prefer to under-salt because you can always add more! If you've over-salted, adding a little bit of acid (like lemon juice) can help.

More Recipes You Might Like!

  • Dark Chocolate Dipped Hazelnut Biscotti
  • Pistachio White Chocolate Biscotti
  • Chewy Peanut Butter Cookies

If you make this recipe, please leave a star rating at the bottom of the page! This provides helpful feedback to both me and other readers. And if you want more delicious, scratch-made recipes you can subscribe to my newsletter and follow along on Instagram, Pinterest, and Facebook!

Recipe Card

Peanut Butter Biscotti Recipe ~ Barley & Sage (18)

Peanut Butter Biscotti

5 from 56 votes

These peanut butter biscotti are drizzled with peanut butter frosting and crushed peanuts! They're super easy to make for breakfast at home!

Print Pin

Prep Time: 10 minutes minutes

Cook Time: 50 minutes minutes

Resting Time: 30 minutes minutes

Total Time: 1 hour hour 30 minutes minutes

Servings: 36 biscotti

Author: Kyleigh Sage

Need Metric Measurements?Use the options below to toggle between cups and grams!

Ingredients

Biscotti

  • 6 tablespoons unsalted brown butter, room temperature
  • ¼ cup creamy peanut butter, Jif or Skippy
  • ½ cup granulated sugar
  • ½ cup light brown sugar
  • 2 large eggs, room temperature
  • 1 teaspoon vanilla extract
  • 2 ¼ cups all purpose flour
  • 1 ¼ teaspoons baking powder
  • ¼ teaspoon kosher salt
  • ½ cup crushed peanuts

Peanut Butter Frosting

  • 2 tablespoons creamy peanut butter, Jif or Skippy
  • ½ cup powdered sugar
  • 2-3 tablespoons milk, as needed

Instructions

Biscotti

  • Preheat the oven to 350°F and line a baking sheet with parchment paper.

  • Using a hand mixer or a stand mixer fitted with a paddle attachment, cream together the softened brown butter and creamy peanut butter until fully combined and smooth.

  • Then add in the brown sugar and granulated sugar and cream until light and fluffy.

  • Add in the eggs and vanilla and beat until just combined.

  • Add in the flour, baking powder, and salt and mix until fully incorporated.

  • Then fold in the chopped peanuts. The dough should be sticky.

  • Scoop half the dough onto one side of baking sheet and pat it into a 10 inch x 2 inch rectangle that’s about 1 inch thick (lightly wetting your hands helps a lot with this step). Repeat with the other half of the dough.

  • Bake at 350°F for 20 to 30 minutes, until golden brown all over. Remove from the oven and let cool for 25 to 30 minutes. Reduce the oven temperature to 325°F.

  • Carefully transfer the logs to a cutting board and use aspray bottlefilled with room-temperature water to very lightly spritz them (just one spray on each section of the logs). Wait about 5 minutes before using avery sharp serrated knifeto slice biscotti ½ inch wide.

  • Return the peanut butter biscotti slices to the baking sheet, standing them up with ½ inch in between them, so air can circulate around them. Bake for another 25 to 30 minutes, until dry and golden.

  • Remove from the oven and transfer to a wire rack to cool to room temperature.

Peanut Butter Frosting

  • In a small bowl, cream together the peanut butter and powdered sugar until smooth.

  • Then slowly add in the milk until the frosting reaches a smooth, pipable consistency.

  • Transfer to a piping bag fitted with a small tip (or a ziploc bag with the corner cut off), and pipe the frosting on one side of the biscotti. Then sprinkle with some extra crushed peanuts if desired.

Notes

For best results, use processed peanut butter like Jif or Skippy that doesn't separate. Natural peanut butter has too much oil and will negatively affect the recipe.

Store biscotti in an airtight container at room temperature for up to 2 weeks.

To freeze biscotti: I recommend freezing the biscotti after the first bake. After the biscotti are sliced, freeze in an airtight container for up to 3 months. To finish baking, let thaw and then bake for 25 minutes as normal.

Brown the butter:In a small saucepan, melt butter over medium heat. Once melted, stir frequently and watch closely for the formation of brown specs on the bottom of the pan and a nutty aroma. Once you see brown specs, stir for just a few more seconds (it browns super quickly). Remove from the heat and immediately pour into a different bowl to prevent it from burning. Let cool to room temperature. I recommend making the brown butter the night before you make the biscotti, so that it has time to fully cool to room temperature! Note: For every ½ cup (1 stick or 113g), you'll lose about 1 tablespoon (14g) to evaporation while cooking. So you can either add in an extra 1 tablespoon before browning, or if you're browning big batches, just make up the weight difference in your recipe with regular unsalted butter if needed.

Nutrition

Serving: 1 | Calories: 83kcal | Carbohydrates: 12g | Protein: 2g | Fat: 3g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 1g | Cholesterol: 15mg | Sodium: 59mg | Potassium: 27mg | Fiber: 1g | Sugar: 6g | Vitamin A: 73IU | Calcium: 15mg | Iron: 1mg

The nutritional information on this website is only an estimate and is provided for convenience and as a courtesy only. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

Category | Breakfast, Brunch, Dessert

Cuisine | Italian

Love this recipe?Mention @barleyandsage on Instagram and tag #barleyandsage

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Peanut Butter Biscotti Recipe ~ Barley & Sage (2024)

FAQs

What is the secret to making biscotti? ›

12 Tips For Making The Absolute Best Biscotti
  1. Use room-temperature ingredients. ...
  2. Boost the flavor with spices, extracts, and zest. ...
  3. Toss in some add-ins for flavor and texture. ...
  4. Let the dough chill before shaping. ...
  5. Use floured or greased hands to shape the dough. ...
  6. Shape the dough into a smaller loaf than you want.
May 29, 2023

Is biscotti better with oil or butter? ›

Despite their centuries-old heritage, there is no one perfect way to make biscotti. Some recipes call for eggs only, which is the traditional method, while others swear by butter or oil. The choice is yours; just keep in mind that those made with butter or oil will have both a softer texture and a shorter shelf life.

What does baking soda do in biscotti? ›

Baking soda – baking soda helps the biscotti rise and spread. Make sure that your baking soda isn't expired. Sugar- we used granulated sugar for this recipe. You can use caster sugar as well.

Why are my biscotti not crunchy? ›

If your biscotti are too soft then it is likely that the cookies were not baked for long enough second time around. If your biscotti slices are around 1/2cm/1/4 inch thick then they should only need around 20 minutes in an oven preheated to 180c/350F to dry out sufficiently.

Should you refrigerate biscotti dough before baking? ›

Because the dough can be sticky and hard to form, it's important to chill the batter for a good 30 minutes before baking the first time. Prepare a baking sheet and line it with parchment paper then dust it with a little flour. Transfer the batter to the baking sheet and chill in the fridge.

How do you keep biscotti from getting hard? ›

In general, I got a better texture (not as hard) by reducing the quantity of flour. To make the biscotti crisp, I slice them quite thin (about 1/4 inch) using a serrated bread knife. Less cooking time is important for a soft Biscotti... Also when mixing make a soft dough that must be handled with a large spoon..

What is the difference between Italian and American biscotti? ›

Here it is, a biscotti recipe everyone can enjoy — unlike classic Italian biscotti, which are quite hard, these are light and crunchy. Biscotti bake twice rather than once, and thus take a bit longer start-to-finish than normal drop cookies.

How long will homemade biscotti last? ›

How Long Does Biscotti Last? Your homemade biscotti will last for up to one month in an airtight container at room temperature. If you want to keep the biscotti longer, you can freeze it for up to three months.

How do you know when biscotti is done? ›

If the biscotto feels soft, like a piece of cake, give it another 5 minutes in the oven. If it feels firm but still gives a bit when you poke it, take it out for rather soft-textured but still crunchy biscotti.

What happens if you forget baking powder in biscotti? ›

Most baked goods need a leavening agent to make them rise, and if you leave it out, your cake or your cookies will fall flat. Baking powder makes dough rise because it contains both a base and an acid in dried form.

How sticky should biscotti dough be? ›

Biscotti dough is inherently sticky. I recommend adequately flouring your hands before working the dough, and if it's still too sticky to handle, add a little flour at a time but just enough so you can work with it. Chocolate.

Why are my biscotti bitter? ›

Editor: Yes, chemical leavening agents like baking powder can impart a bitter taste! Try using less next time and see if it makes a difference.

Do you need to sift flour for biscotti? ›

In summary, to produce a consistent crunch in your biscotti, it is necessary to measure and sift the ingredients. It may take some trial and error before you find out what ratio of flour-to-fat that works best for you, but remember that sifting and measuring your ingredients helps create perfect crispiness!

Can you overmix biscotti dough? ›

The trickiest parts of making them are the mixing and the shaping and baking. Just like biscuits, you can't overmix the dough. I found that if the dough is mixed too much, the biscotti becomes dense and heavy.

How do you keep homemade biscotti crispy? ›

How to Keep Biscotti Crisp and Crunchy
  1. Sealing the biscotti in an airtight bag such as a polypropylene bag after they have cooled to room temperature will help to keep them fresh.
  2. If you prefer to store your biscotti in a container, choose an airtight container that will keep out any moisture or humidity.
Dec 31, 2022

Why are my biscotti crumbling when I cut them? ›

A: Overbaking the logs of dough during the first baking can make the slices crumble as you are cutting them. Also, even if the logs of dough are perfectly baked, they will crumble if they are sliced while still warm, so be patient. The logs crumble when you use a dull knife, too.

How to make biscotti less crumbly? ›

Don't overbeat the eggs. You want just enough air pockets to add some crispiness and texture, but not so many that you get a lot of crumble in your biscotti instead. Don't overmix the batter. You just want to see all of your ingredients come together and that's it!

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