For a hearty and nutritious veggie sandwich, make a sweet potato and black bean wrap using your food processor. Process cooked sweet potatoes, black beans, onions, garlic, and spices until well combined. Spread the sweet potato and black bean mixture on a tortilla wrap and top it with sliced avocado, shredded lettuce, and a drizzle of lime juice. Roll up the wrap tightly and enjoy this flavorful and filling sandwich for a satisfying lunch or dinner option.