Question: how much protein is in a peanut butter and banana sandwich?
Answer: A peanut butter and banana sandwich made with half of a medium banana, 2 tablespoons of smooth peanut butter, and two slices of whole-wheat bread has 402 nutrient-dense calories, 17 grams of protein and 7 grams of fiber. This means you'll get at least one-third of your recommended dietary allowance for protein.