Ingredients
Method
- Preheat oven to 350°F and line baking sheets with parchment paper
- Cream butter sugars and peanut butter until light and fluffy
- Mix in egg egg yolk and vanilla until combined
- Whisk flour oats baking soda and salt in a separate bowl
- Add dry ingredients to wet mixture and mix gently
- Fold in M&Ms and chocolate chips evenly
- Scoop dough into portions and place on baking sheets
- Bake for 9 to 11 minutes until edges are set and centers are soft
- Cool on baking sheet before transferring to rack
Notes
- Do not overmix the dough after adding flour
- Use standard creamy peanut butter for best consistency
- Tap baking sheet midway through baking for better texture
- Let cookies cool before moving to prevent breaking
