Email to Amy Recipe Categories: amyrose's HOME PAGEAppetizers Bars Beverages Beverages_Adult Biscuits Breads Breakfast Burgers Cakes Candy Casseroles Casseroles_Chicken Chicken Chowders Christmas Cookies Copycats Crockpot Desserts Dips Dressings Fondue Frostings Fruit Fudge Gluten_Free Gravy Grilling Holidays Homemade Ice_Cream Lowfat Marinades Meatballs Meatloaf Meats Mexican Microwave Milkshakes Muffins Pasta Pie Pizza Popcorn Pork Potatoes Poultry Pudding Punch Quesadillas Rolls Salads Salads_Sweet Salsa Smoothies Snacks Soups M & M Peanut Butter Bars Source of Recipe unknown List of Ingredients 1 c. light corn syrup 1/2 c. sugar 1/2 c. peanut butter 6 c. Rice Krispies 1 (14oz) bag plain M & M's Recipe Bring corn syrup and sugar to a boil. Add peanut butter and Rice Krispies. Mix well. Stir in M & M's. Pat into a 9x13 pan.