Question: how many calories are in a reese's peanut butter cup egg?
Answer: Reese's Peanut Butter Eggs One regular-sized Reese's Peanut Butter Egg has 170 calories. At four grams of protein per egg, this Easter candy is the most protein-rich one on the list. The rest of the calories are comprised of 10 grams of fat and 18 grams of carbs (16 grams of sugar).