How to Make 3-Ingredient Peanut Butter Cookies — Easy Step-by-Step Guide
Discover how to make incredibly easy and delicious peanut butter cookies with just three simple ingredients. Perfect for a quick, screen-free baking session with the family!



Quick answer
To make 3-ingredient peanut butter cookies, you need 1 cup peanut butter, 1 cup sugar, and 1 egg, taking about 20 minutes. Start by mixing the ingredients. This beginner-friendly activity has 8 steps and is perfect for families with kids aged 6+.
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Step-by-Step Instructions
- 1
Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper or lightly grease it.
- 2
In a medium mixing bowl, add the 1 cup of creamy peanut butter.
- 3
Add the 1 cup of granulated sugar to the bowl with the peanut butter.
- 4
Crack the 1 large egg into the bowl.
- 5
Using a sturdy spoon or spatula, mix all three ingredients together until well combined and a dough forms.
- 6
Roll the dough into small balls, about 1 inch in diameter.
- 7
Place the dough balls onto the prepared baking sheet, leaving about 2 inches between each cookie.
- 8
Using a fork, gently press down on each cookie ball to create a criss-cross pattern. This also helps them bake evenly.
- 9
Bake for 10-12 minutes, or until the edges are lightly golden brown and the centers look set.
- 10
Remove the baking sheet from the oven and let the cookies cool on the sheet for a few minutes before transferring them to a wire rack to cool completely.
Tips & Troubleshooting
- 1For softer cookies, bake for a minute or two less. For crispier cookies, bake a minute or two longer.
- 2You can add a teaspoon of vanilla extract for extra flavor, though it will make it a 4-ingredient recipe.
- 3If your peanut butter is very stiff, you can warm it slightly in the microwave for 15-20 seconds to make it easier to mix.
- 4Ensure your oven temperature is accurate. An oven thermometer can be helpful for consistent results.
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Frequently Asked Questions
Can I use crunchy peanut butter for these 3-ingredient cookies?
Yes, you can use crunchy peanut butter! It will add a nice texture to your cookies. Just ensure it's well-mixed with the sugar and egg.
What if my cookie dough is too dry or too sticky?
If the dough is too dry, add a tiny bit more peanut butter (about a teaspoon at a time). If it's too sticky, add a little more sugar.
How long do these 3-ingredient peanut butter cookies last?
Store the cooled cookies in an airtight container at room temperature for up to 3-4 days. They might become slightly softer over time.
Can I make these cookies vegan?
To make these vegan, you'll need to substitute the egg. A common substitute is a 'flax egg' (1 tablespoon ground flaxseed mixed with 3 tablespoons water, let sit for 5 minutes) or a commercial egg replacer.
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