1 1/2 cups all-purpose flour1/2 teaspoon baking soda
1/2 teaspoon baking powder
1/4 teaspoon salt
1/2 cup unsalted butter, softened
3/4 cup creamy peanut butter
3/4 cup brown sugar, packed
1/4 cup granulated sugar
1 large egg
1 teaspoon vanilla extract2 tablespoons milk
Make sure your butter is properly softened – it should give slightly when pressed but not be melted. Room temperature butter creams better with the sugars and creates the right texture.
Creamy peanut butter works best for the smooth texture, but natural peanut butter will give you deeper, more roasted flavor if you prefer that. Just make sure to stir it well first.
How to Make Thick and Chewy Peanut Butter Cookies – Step by Step
1. Prep your workspace.
Preheat oven to 350°F and line a baking sheet with parchment paper. This prevents sticking and makes cleanup so much easier.
Having everything ready before you start mixing makes the whole process go smoother.2. Mix the dry ingredients.
In a medium bowl, whisk together flour, baking soda, baking powder, and salt. Set this aside – you’ll add it to the wet ingredients later.
Make sure to whisk it well so the leavening agents are evenly distributed throughout the flour.
3. Cream the fats and sugars.
In a large bowl, cream together the softened butter, peanut butter, brown sugar, and granulated sugar until light and fluffy. This usually takes about 3-4 minutes with an electric mixer.
Don’t rush this step – proper creaming creates the texture that makes these cookies so perfect. The mixture should look pale and fluffy when it’s ready.
4. Add the wet ingredients.