Step 1

Preheat oven to 350°F. Line a 13x9-inch baking dish with foil. Spray with non-stick spray and set aside.

Step 2

In a large mixing bowl, beat the butter with sugars and peanut butter until creamy. Add eggs and vanilla, beat again. Add in salt, baking soda, flour, oats and milk until well combined. Fold in chocolate chips and 1 cup of M&M'S.

Step 3

Press half of the cookie dough into the bottom of the prepared baking dish. Set aside.

Step 4

For the cheesecake filling, beat cream cheese until soft and creamy. Add in sugar and beat until smooth. Add in melted chocolate and eggs. Beat until eggs are fully incorporated, but don't overbeat.

Step 5

Spread cheesecake over first layer of cookie dough. Top with remaining cookie dough and sprinkle the remaining 1/2 cup candy over the top.

Step 6

Bake for 35 minutes. Remove from oven and allow to cool. Then refrigerate for at least 4 hours, or overnight. Cut into bars and enjoy!