This avocado and chickpea salad sandwich is a healthy and filling dinner option. Mash ripe avocados and mix them with cooked chickpeas, diced red onions, chopped cilantro, lime juice, and a pinch of salt and pepper. Spread the avocado and chickpea mixture on your choice of bread and top with lettuce and tomato slices. The creamy avocado, protein-packed chickpeas, and fresh vegetables create a satisfying and nutritious sandwich that will keep you full and satisfied.