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3-Ingredient Peanut Butter Cookies

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March 26, 2026

Delicious 3-ingredient peanut butter cookies on a baking tray

Ever wondered how simple a dessert can be and still satisfy a peanut butter craving? Could three pantry staples really yield a tender, nutty cookie that keeps both kids and adults happy? Try these three-ingredient peanut butter cookies for a fast, reliable treat that proves less can be more.

This recipe uses just peanut butter, sugar, and an egg to create rich, peanut-forward cookies with a crunchy-crisscross top and soft centers. They’re ideal for last-minute baking, low-ingredient meal prep, or when you want a nostalgic bake without a long ingredients list.

Ingredients List

  • 1 cup creamy peanut butter (about 240–260 g)
    • Substitutions: Use natural peanut butter (stir well) for a less sweet, more oily texture; almond or cashew butter can replace peanut butter for a different nutty flavor.
    • Sensory note: creamy peanut butter gives a buttery, smooth mouthfeel and deep roasted aroma.
  • 1 cup granulated sugar (about 200 g)
    • Substitutions: For a slightly lower-glycemic option, try 3/4 cup coconut sugar (flavor will be more caramel-like); for a lighter-sweet result use 3/4 cup granulated sugar + 1/4 cup powdered erythritol (can affect texture).
    • Sensory note: sugar creates a crackly top and crisp bite.
  • 1 large egg
    • Substitutions: To make them vegan, use a flax egg (1 tbsp ground flax + 3 tbsp water, chilled) though texture may be a touch denser.
    • Sensory note: the egg binds and gives structure while keeping the centers tender.

Yield: About 18–24 small cookies, depending on size.

Timing

  • Preparation time: 8–12 minutes (mixing and rolling)
  • Baking time: 10–12 minutes per batch
  • Cooling time: 10–15 minutes
  • Total time: roughly 30 minutes from start to finish

Contextual note: these bake faster than traditional drop-cookie recipes because they contain no flour; expect a shorter bake and quicker cool time compared to a standard chocolate chip cookie (which often takes 12–15 minutes).

Step 1: Preheat oven

Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper or a silicone baking mat.

Step 2: Mix ingredients

In a medium bowl, combine the peanut butter, sugar, and egg until well combined and smooth. The dough should be slightly sticky but hold shape.

Step 3: Form dough balls

Scoop tablespoon-sized portions and roll into balls. Place them about 2 inches apart on the prepared baking sheet.

Step 4: Flatten with a fork

Flatten each ball slightly with the back of a fork, creating a crisscross pattern. This both compresses them for even baking and gives the classic look.

Step 5: Bake

Bake for 10–12 minutes or until the edges are lightly golden and the tops set. Avoid overbaking; centers will continue to firm as they cool.

Step 6: Cool and serve

Let cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely before serving.

Nutritional Information

Approximate values per batch and per cookie (estimates; actual values depend on brands and cookie size):

  • Batch totals (1 cup PB + 1 cup sugar + 1 egg):
    • Calories: ~2,400–2,500 kcal
    • Fat: ~130 g
    • Carbohydrates: ~250 g
    • Protein: ~70–75 g
  • Per cookie (if yield is 24 cookies):
    • Calories: ~100–110 kcal
    • Fat: ~5–6 g
    • Carbohydrates: ~10–11 g
    • Protein: ~3 g
      Notes: These are rough estimates. Using natural or reduced-fat nut butters, sugar substitutes, or smaller cookie sizes will change values.

Healthier Alternatives for the Recipe

  • Reduce sugar: use 3/4 cup sugar + 1/4 cup powdered monk fruit or erythritol to lower net carbs.
  • Use powdered peanut butter (rehydrated with a little water) to cut fat and calories.
  • Add 2 tbsp rolled oats to increase fiber and slightly bulk the dough (may change texture).
  • Swap one egg for a flax or chia egg for a plant-based option (results can be a bit denser).
  • Stir in a tablespoon of chia seeds or ground flax for extra omega-3s and fiber.

Serving Suggestions

  • Serve warm with a cold glass of milk or dairy-free alternative.
  • Sandwich two cookies with a thin spread of jam, Nutella, or cream cheese frosting.
  • Drizzle melted dark chocolate or sprinkle flaky sea salt for a gourmet finish.
  • Crumble over vanilla ice cream for a quick sundae topping.

Common Mistakes to Avoid

  • Overbaking: removes moisture and yields a dry, hard cookie—remove when edges are light golden.
  • Using overly oily natural peanut butter without stirring: can make dough too wet; stir and blot excess oil if needed.
  • Making cookies too large: dough spreads less without flour, so large cookies can remain doughy inside.
  • Not spacing cookies: these bake and spread slightly; give at least 2 inches between portions.
  • Skipping parchment or silicone: peanut butter can stick—use a liner for easy release.

Storing Tips for the Recipe

  • Room temperature: Store in an airtight container for up to 3–4 days.
  • Refrigerator: Keeps up to 10–14 days; note refrigeration can firm the cookies.
  • Freezer: Freeze in a single layer on a tray, then transfer to a freezer bag for up to 3 months. Thaw at room temperature for 20–30 minutes before serving.
  • Re-crisping: Warm briefly in a 300°F (150°C) oven for 3–4 minutes to refresh texture.

Conclusion

These three-ingredient peanut butter cookies deliver fast, nostalgic flavor with minimal effort—crisp edges, tender centers, and unmistakable peanut taste. Try the recipe, then leave a review, share a photo, or subscribe for more simple bakes. For a closely related variation, see the Allrecipes simple peanut butter cookie recipe at Allrecipes’ simple peanut butter cookie recipe. For step-by-step photos and tips, check the version on Savvy Saving Couple at Savvy Saving Couple’s three-ingredient peanut butter cookies guide. For an old-fashioned take and serving ideas, read the Barefeet In The Kitchen interpretation at Barefeet In The Kitchen’s old-fashioned peanut butter cookie recipe.

FAQs

  • How many cookies does this recipe make?

    • Typically 18–24 small cookies, depending on scoop size.
  • Can I use crunchy peanut butter?

    • Yes—crunchy PB adds texture and visible peanut pieces.
  • What if my dough is too sticky to roll?

    • Chill for 10–15 minutes, or lightly oil your hands to shape balls.
  • Can I add chocolate chips?

    • Yes, fold in 1/3–1/2 cup chocolate chips for extra sweetness.
  • Are these gluten-free?

    • Yes, the basic recipe is gluten-free if you use gluten-free peanut butter and sugar.

Three-Ingredient Peanut Butter Cookies

These simple, three-ingredient peanut butter cookies are quick to make and delightfully nutty, perfect for satisfying a sweet craving with minimal effort.
Prep Time 10 minutes
Cook Time 12 minutes
Total Time 30 minutes
Servings: 24 cookies
Course: Dessert, Snack
Cuisine: American
Calories: 105

Ingredients
  

Main Ingredients
  • 1 cup creamy peanut butter (about 240–260 g) Use natural peanut butter for a less sweet, oily texture; can substitute with almond or cashew butter.
  • 1 cup granulated sugar (about 200 g) For lower glycemic, use 3/4 cup coconut sugar; for lighter result, try 3/4 cup granulated sugar + 1/4 cup powdered erythritol.
  • 1 large egg For vegan option, substitute with a flax egg (1 tbsp ground flax + 3 tbsp water).

Method
 

Preparation
  1. Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper or a silicone baking mat.
  2. In a medium bowl, combine the peanut butter, sugar, and egg until well combined and smooth. The dough should be slightly sticky but hold shape.
  3. Scoop tablespoon-sized portions and roll into balls. Place them about 2 inches apart on the prepared baking sheet.
  4. Flatten each ball slightly with the back of a fork, creating a crisscross pattern.
  5. Bake for 10–12 minutes or until the edges are lightly golden and the tops set. Avoid overbaking; centers will continue to firm as they cool.
  6. Let cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely before serving.

Notes

These cookies can be served warm with milk, sandwiched with jam or cream cheese frosting, or crumbled over ice cream. Avoid overbaking for best texture.

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