Cheddar and Avocado Sandwich __ Mash avocado with oil and juice of lemon wedge. Spread mashed avocado on one slice of bread. Top with cheddar, tomatoes, red onion, and sprouts. Top with the second slice. Avocado Sandwich Recipes, Vegetarian Sandwich Recipes, Veggie Sandwich, Vegan Recipes, Tomato Sandwich, Sandwich Ideas, Healthy Sandwiches, Vegetarian Food, Lunch Recipes