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Aerial view of a wire cooling rack with gluten-free flourless peanut butter cookies with a cross-hatch pattern on a marble table.

3-Ingredient Flourless Peanut Butter Cookies

Did you know you only need three ingredients to make the most delicious flourless peanut butter cookies? It's true! If you always get a craving for something sweet on days you know you need to go grocery shopping, this recipe for 3-ingredient flourless peanut butter cookies is for you. It's as easy as can be and uses ingredients you probably already have on hand. And guess what? They're naturally gluten-free!
5 from 1 vote
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Course: Dessert
Cuisine: American
Prep Time: 5 minutes
Cook Time: 12 minutes
Chilling Time: 30 minutes
Total Time: 17 minutes
Servings: 8 cookies
Calories: 301kcal
Author: Megan


  • 1 cup creamy peanut butter
  • 1 cup brown sugar
  • 1 egg


  • In a bowl, combine creamy peanut butter, brown sugar, and egg and stir until thoroughly mixed. 
  • Chill for 30 minutes in the refrigerator or freezer.
  • Preheat oven to 350F and line a baking sheet with parchment paper. 
  • Divide the dough into 8 equal pieces and roll into balls. Place on baking sheet and make a cross-hatch pattern with a fork, lightly pressing down on the dough. If the fork is sticking to the dough, first dip the fork in sugar. 
  • Bake at 350F for 10-12 minutes, until the edges are set and the cookie is no longer glossy. Let sit at least 10 minutes before removing from pan. 


Calories: 301kcal | Carbohydrates: 33g | Protein: 8g | Fat: 16g | Saturated Fat: 3g | Cholesterol: 20mg | Sodium: 163mg | Potassium: 253mg | Fiber: 1g | Sugar: 29g | Vitamin A: 30IU | Calcium: 40mg | Iron: 0.9mg
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