These simple 4 ingredients cookies are tasty, tender, and perfect in every way! You're never going to want to make peanut butter cookies without the cake mix again.
Preheat. Preheat the oven to 350°F and line a baking sheet with parchment paper or lightly grease with nonstick spray.
Mix dough. In a large mixing bowl, combine the cake mix, eggs, vegetable oil, and peanut butter. Stir until a thick dough forms.
Shape cookies. Roll the dough into 1-tablespoon-sized balls and place them on the baking sheet, spacing them about 2 inches apart.
Create crosshatch. Use the back of a fork to gently press lines across the top of each dough ball, then rotate the fork and press again to create a crosshatch pattern.
Bake. Bake for 10 to 15 minutes, until the cookies are lightly golden around the edges.
Cool. Let the cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.
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Notes
Cake mix swaps. Other cake mix flavors can be used for different variations.
Topping option. Sprinkle the tops lightly with sugar before baking for a subtle crunch.
Shaping alternative. If you prefer, flatten the dough with the bottom of a glass instead of a fork.
Storage. Store in an airtight container at room temperature for 3 to 5 days. Freeze for up to 3 months and thaw before serving.