These Gooey Chocolate Peanut Butter Crunch Bars could not be more delicious and perfect for a back to school weekend dessert! Gooey Chocolate Peanut Butter Crunch Bars Gooey Chocolate Peanut Butter Crunch Bars Ingredients 3 cups Reese's™ Puffs™ cereal Peanut Butter 3 cups Chocolate Cheerios™ cereal 2 cups mini marshmallows 1 cup light brown sugar