This Peanut Butter Polka Dot Bars recipe is the ultimate after-school treat or party dessert! It is a fun and delightfully sweet peanut butter oatmeal cookie bar packed with colorful REESE'S PIECES Candies. Plus, the layer of creamy chocolate filling is a pleasant surprise when you bite into it. Finishing them off with even more REESE'S PIECES gives each square its distinctive polka dot look. We're big fans of combining candy into our dessert recipes! REESE'S Candy fans of all ages can pair Peanut Butter Polka Dot Bars with our Loaded REESE'S Cookie Bars recipe to double the fun on your dessert trays.
Heat oven to 350°F. Beat butter, peanut butter and brown sugar until well blended. Add eggs and vanilla; beat thoroughly.
Stir together oats, flour, baking soda and salt; gradually add to butter mixture. (Dough will be thick). Remove 2 cups dough; set aside. Press remaining dough onto bottom of 13x9x2-inch baking pan.
Prepare Chocolate Filling. Spread filling evenly over dough. Sprinkle candy pieces evenly over filling. Crumble reserved dough evenly over filling.
Bake 25 minutes or until top is golden brown. (Chocolate will be soft). Cool completely in pan on wire rack; cut into bars.
Melt 1/2 cup (1 stick) butter or margarine in saucepan over low heat. Stir in 2/3 cup HERSHEY'S Cocoa and 1/3 cup sugar. Add 1 can (14 oz) sweetened condensed milk (not evaporated milk); cook, stirring constantly, until smooth and thick. Remove from heat; stir in 1-1/2 teaspoons vanilla extract.
* The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet 2,000 calories a day is used for general nutritional advice.