Preheat oven to 350F. Spray a 9 inch springform pan with baking spray. Line the bottom with a parchment circle and spray again.
In a medium bowl, sift together flour, baking soda, baking powder, and salt. Set aside.
¾ cup All-purpose flour, 1 teaspoon Baking soda, ¼ teaspoon Baking powder, ½ teaspoon Salt
Using a mixer, cream together butter, brown sugar, and peanut butter. Beat on high for 2 minutes.
½ cup Unsalted butter, 1 cup Brown sugar, ½ cup Peanut butter
Add in vanilla and egg. Mix until combined. Add in the dry ingredients. Mix on low.
1 teaspoon Pure vanilla extract, 1 Large egg
Fold in oats, mini M&M's, and mini chocolate chips. The dough will be very wet.
1 cup Quick oats, ½ cup Mini M&M's, ½ cup Mini chocolate chips
Place ¾ths of the dough into the pan. Compact it on the bottoms of the pan. Save the rest of the dough to bake small cookies for decoration.
Bake the cookie crust for 18-20 minutes. The edges will be golden brown. It will be puffy in the middle. Let the cookie crust cool while you make the cheesecake.