Fudgy Flourless Peanut Butter Brownies

These flourless peanut butter brownies are fudgy and chocolatey, yet lighter than a traditional brownie since they contain no refined flour or granulated sugar.

If you want a brownie that tastes indulgent but feels a little healthier, these flourless peanut butter brownies are a great choice. They swap flour for peanut butter and sugar for honey, keeping the texture fudgy when you avoid overbaking.

flourless peanut butter brownies

There’s plenty of chocolate flavor here, but the overall sweetness is restrained. These brownies are made with peanut butter and honey instead of refined flour and sugar, so they’re not the ultra-rich, overly sweet kind you might be used to—more of a satisfying, chocolate-forward snack.

Because they aren’t overloaded with sugar, these brownies work well as a treat or afternoon pick-me-up rather than a heavy dessert. They hold together nicely when cooled and provide a forgiving fudgy bite so long as you don’t bake them to dryness.

healthier flourless peanut butter brownies

What are flourless brownies made of?

Traditional flourless brownies usually rely on butter, sugar, eggs, melted chocolate, and cocoa powder for their dense, fudgy structure. This version replaces the butter with creamy peanut butter and uses honey to add sweetness. The result is still chocolatey and satisfying, but with a slightly different texture and a cleaner ingredient profile.

Because honey and peanut butter behave differently from granulated sugar and butter, these brownies won’t be quite as decadent as a classic flourless version made with butter and sugar. That said, they still deliver a rich chocolate taste and a dense, moist crumb when baked just long enough.

A key point with any flourless batter: avoid overbaking. These brownies are best removed from the oven while they still show a few moist crumbs on a toothpick. Overbaking will dry them out and make them crumbly.

flourless peanut butter brownies

Can you freeze brownies?

Yes—these brownies freeze very well. Cool them completely, slice into individual squares, and store in an airtight container or freezer bag. Properly wrapped, they will keep in the freezer for up to three months. Thaw in the refrigerator or at room temperature before serving.

flourless peanut butter brownies

How to make Flourless Peanut Butter Brownies

  • These brownies come together quickly in one bowl—no mixer required. A whisk or spatula is all you need.
  • Melt the dark chocolate gently: microwave at medium power and stir every 30 seconds, or use a double boiler. Remove from heat and cool slightly before adding to the batter.
  • Watch the bake time closely. A toothpick should come out with a few moist crumbs in the center; avoid removing it fully clean to preserve fudginess.
  • Store the finished brownies in an airtight container in the refrigerator—many people prefer them chilled.

Recipe: Flourless Peanut Butter Brownies

Yield: 16 brownies

Flourless Peanut Butter Brownies

flourless peanut butter brownies

Rich and fudgy without refined flour or table sugar—these brownies use peanut butter and honey for a simpler, more wholesome take on a classic treat.

Prep Time
15 minutes
Cook Time
20 minutes
Total Time
35 minutes

Ingredients

  • 2 ounces dark chocolate, coarsely chopped
  • 2 large eggs
  • 1 cup creamy peanut butter
  • 1/4 cup honey
  • 1 teaspoon vanilla extract
  • 1/4 cup unsweetened cocoa powder
  • 1/2 teaspoon baking soda
  • 1/8 teaspoon salt
  • 1/2 cup semi-sweet chocolate chips

Instructions

  1. Preheat the oven to 350°F (175°C).
  2. Line an 8×8-inch baking pan with parchment paper and set aside.
  3. Place the chopped dark chocolate in a microwave-safe bowl and heat at 50% power, stirring every 30 seconds, until almost melted. Stir until fully smooth and let cool slightly.
  4. In a large bowl, whisk the eggs, peanut butter, honey, and vanilla together until smooth and well combined.
  5. Add the cocoa powder, baking soda, and salt; stir until the mixture is uniform.
  6. Fold in the melted chocolate, then stir in the chocolate chips.
  7. Spread the batter into the prepared pan and smooth the top.
  8. Bake for 18–20 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs attached. Do not overbake.
  9. Allow the brownies to cool completely in the pan before lifting them out with the parchment paper and slicing into squares.

Notes

These brownies were adapted from a similar peanut butter oat bar recipe and simplified for a flourless, single-bowl preparation. Using creamy peanut butter yields a smoother texture; chunky peanut butter will add more texture and peanut pieces.

If you prefer a sweeter, more decadent brownie, you can increase the honey slightly or add a bit more chocolate. Keep in mind that the texture will change if you alter sweeteners or fats.

Nutrition Information

Yield: 16
Serving Size: 1 brownie

Amount per serving (estimated):

  • Calories: 171
  • Total Fat: 11 g
  • Saturated Fat: 3 g
  • Unsaturated Fat: 6 g
  • Cholesterol: 24 mg
  • Sodium: 143 mg
  • Carbohydrates: 15 g
  • Fiber: 2 g
  • Sugar: 10 g
  • Protein: 5 g

Nutrition information is an estimate and may vary based on ingredients and portion sizes.

© Bake.Eat.Repeat.
Category: Cookies & Bars
flourless peanut butter brownies

This Flourless Peanut Butter Brownie recipe has also been shared on other food sites and is adapted from earlier peanut butter bar recipes.