6 Snacks Nutritionists Always Have on Hand

For nutritionist Megan Wolf, whose new book is called Great Meals with Greens and Grains, peanut butter and jelly sandwiches contain her three must-haves for a healthy snack: good fats, fiber and protein. She makes herself a half-sandwich using whole grain bread, low-sugar jelly and a peanut butter containing just two ingredients: peanuts and salt.