Loaded Sugar Cookie Bars

package prepared dry sugar cookie mix (plus ingredients called for on the back of the package - for the Pillsbury mix I used, I had to add 1 stick butter + 1 egg) OR use 1 package pre-made refrigerated sugar cookie mix

peanut butter M&Ms

chocolate chips

mini peanut butter cups (OR 1/2 cup chopped Reese's Peanut Butter Cups)