Prep time: 30 min.Baking time: 12-14 min.
In a large bowl, combine peanut butter dough, 1 cup M&M'S® Brand Milk Chocolate Candies and 1/2 cup cereal, if desired. Remove dough to small bowl; set aside.
In the large bowl, combine sugar dough and cocoa powder until well blended.
Stir in 1 cup M&M'S® Brand Milk Chocolate Candies and remaining 1/2 cup cereal, if desired. Remove half the dough to small bowl; set aside.
Combine half the peanut butter dough with half the chocolate dough by folding them together just enough to marble.
Shape the marbled dough into an 8- x 2-inch log.
Wrap the log in plastic wrap.
Repeat with the remaining dough.
Refrigerate logs 2 hours.
To bake, preheat oven to 350 degrees.
Cut dough into 1/4-inch thick slices.
Place about 2 inches apart on ungreased cookie sheets.
Bake 12 to 14 minutes.
Cool 1 minute on cookie sheets; cool completely on wire racks.
Store in a tightly covered container.
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