Step 1: Preheat Your Oven - Preheat your oven to 350°F (175°C) to ensure even baking.
Step 2: Cream the Butters - In a large mixing bowl, combine the butter and creamy peanut butter. Beat until smooth and creamy.
Step 3: Add Sugars and Egg - Mix in the light brown sugar and granulated sugar. Then add the egg and vanilla extract, beating until fluffy.
Step 4: Combine Dry Ingredients - In another bowl, whisk together the all-purpose flour, baking soda, baking powder, and salt. Gradually mix this into the wet ingredients.
Step 5: Fold in Chocolate Chips - Gently fold in the mini chocolate chips into the dough.
Step 6: Shape the Cookies - Portion the dough into small balls and roll in powdered sugar.
Step 7: Prepare for Baking - Place the cookie balls on lined baking sheets, spacing them out.
Step 8: Bake the Cookies - Bake for 10-12 minutes until edges are set but centers are soft.
Step 9: Add Chocolate Kisses - Press a chocolate kiss into the center of each cookie right after baking.
Step 10: Cool and Enjoy! - Let the cookies cool for 5 minutes before transferring to a wire rack.