Do you want to munch on something nutritious after you've finished your workout? By slicing apples and spreading peanut butter on them, you can create one of the most delicious options. To what end? Peanut butter is a fantastic source of plant-based protein, which is beneficial to your muscles and assists them in healing themselves. In addition to providing energy after a strenuous workout, peanut butter will also help your muscles mend themselves.