wikiHow Vegetarian Sandwich Shopping List * Bread (such as whole wheat, sourdough, or rye) * Hummus or other spreads (such as pesto, sun-dried tomato spread, or avocado) * Cheese (such as cheddar, Swiss, provolone, or mozzarella) * Lettuce or spinach * Tomatoes * Cucumbers * Avocado * Red onion * Pickles * Roasted red peppers * Bell peppers * Zucchini * Mushrooms * Artichoke hearts * Olives * Sprouts (such as alfalfa or bean sprouts) You can mix and match these ingredients to create a variety of delicious vegetarian sandwiches, or use your favorite vegetarian sandwich recipes as a guide. Don't forget to check your pantry for any of the ingredients you might already have before heading to the store! Page