Monster Cookies 🍪 – Loaded with oats, chocolate chips, and M&M's for an epic treat!

Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.
Whisk together flour, baking powder, baking soda, and salt in a bowl.
Cream butter, brown sugar, and granulated sugar until light and fluffy.
Blend in peanut butter until smooth, then mix in egg and vanilla extract.
Gradually add the flour mixture, mixing until just combined.
Stir in oats, chocolate chips, and M&M's.
Drop dough by rounded tablespoons onto the baking sheet, spaced about 2 inches apart.
Bake for 10-12 minutes until edges are lightly browned. Cool on the baking sheet, then transfer to a wire rack to cool completely.