These incredibly simple peanut butter cookies require just three pantry staples and deliver a rich, nutty flavor with a soft, chewy texture. Perfect for a quick dessert or snack, they're naturally gluten-free and ready in under 20 minutes.
Storage: Store cooled cookies in an airtight container at room temperature for up to 1 week. For longer storage, freeze for up to 3 months. Make-Ahead: The dough can be made ahead and refrigerated for up to 2 days before baking. Substitutions: For a vegan version, use a flax egg (1 tbsp ground flaxseed mixed with 3 tbsp water) and ensure sugar is vegan. Variations: Add a pinch of salt or 1/2 tsp vanilla extract for extra flavor. Serve with a glass of cold milk or as a topping for ice cream.