Check out how many calories in m&M butter tart square. Get answers to all your nutrition facts questions at FitClick.
Carb
Protein
Fat
Calories
Common serving units
Tip: You can add any amount to your meal plan, not just common serving units. Want a m&M butter tart square serving size to fit your carbs limit? No problem, just use the m&M butter tart square nutrition facts serving size tool to the right.