For a simple, filling homemade snack ... One slice of whole-wheat bread can contain about 2 grams of fiber, and you'll get filling healthy fats from the nut butter or avocado, as well.
Whole-grain breads ... healthy, minimally processed foods like vegetables, fruits, nuts, seeds, whole grains, and legumes. You can choose whether you want to include meat, seafood, fish, poultry, ...