Use any variety of your favorite ingredients such as roast chicken, canned tuna, olives, canned beans, cooked potatoes, cooked green beans, sliced mushrooms, corn or crumbled bacon in this salad.   Easy Layered Salad Ingredients 4 cups mixed salad greens 2 tomatoes, chopped (about 2 cups) 1 package (8 ounces) shredded Cheddar cheese, divided 1