Halloween Monster Mash Cookies

👩‍🍳 Gör så här

1. 1
   Preheat the oven to 350° F. Line a baking sheet with parchment paper.
2. 2
   In a bowl, beat together the butter, brown sugar, and vanilla until combined. Beat in the eggs and 1 egg yolk, 1 at a time, until combined. Add the flour, baking soda, baking powder, and salt. Beat in the oats.
3. 3
   Fold in 1 cup of the M&M's, the pretzels, and chocolate chips.
4. 4
   Roll the dough into 1/4 cup size balls. Place 3 inches apart on the prepared baking sheet.
5. 5
   Bake for 8 minutes, then rotate the pan and bake another 2 minutes. Pull the pan out and push the remaining M&M's and candy eyes into the cookies. Bake 2-3 minutes. Remove from the oven and let the cookies cool on the baking sheet. They will continue to cook slightly as they sit on the baking sheet.
6. 6
   Eat warm or let cool and store in an airtight container for up to 4 days.