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+ servings
stack of 3 ingredient peanut butter cookies

3 ingredient Peanut Butter Cookie Recipe

Make these easy cookies with just 3 ingredients. You can use brown or white sugar, make them sugar-free or keto! And they're natually gluten-free. These are our favorite peanut butter cookies!
Course Dessert
Cuisine American
Keyword cookie, peanut butter
Prep Time 5 minutes
Cook Time 15 minutes
Total Time 20 minutes
Servings 12 cookies
Calories 197kcal
Author Dorothy Kern
Cost $5


  • 1 cup peanut butter (creamy or crunchy)
  • 1 cup sugar (see note)
  • 1 large egg


  • Preheat oven to 350°F. Line a cookie sheet with parchment paper or silicone baking mats.
  • Stir together all three ingredients in a large bowl with a wooden spoon or spatula until smooth.
  • Scoop desired size cookies onto cookie sheet. Will make approximately 12 two-tablespoon sized cookies. Bake 2 tablespoon size cookies for about 10-14 minutes, or until golden on the edges and no longer glossy in the center. Let them sit for a few minutes on the cookie sheet before removing.
  • Store in an airtight container for up to 4 days or freeze for up to one month.


Peanut Butter Notes:

  • Use a regular no-stir peanut butter (i.e. Skippy; Skippy Naturals is fine)
  • For Keto, make sure that the peanut butter you use is Keto-friendly.

Sugar Notes:

  • Use 1 cup granulated sugar or 1 cup packed brown sugar OR
  • Use 1/2 cup sweetener of your choice.


Serving: 1cookie | Calories: 197kcal | Carbohydrates: 21g | Protein: 6g | Fat: 11g | Saturated Fat: 2g | Cholesterol: 16mg | Sodium: 105mg | Potassium: 145mg | Fiber: 1g | Sugar: 19g | Vitamin A: 23IU | Calcium: 12mg | Iron: 1mg