Question: how many calories are in a banana with peanut butter?
Answer: Banana and Peanut Butter Get a High-Protein Makeover The banana offers quick carbs, and the peanut butter offers a little protein — it's a match made in snack heaven. If you eat half a medium banana (53 calories) with one tablespoon of peanut butter (95 calories), it only offers 4.6 grams of protein.