Prepare a quick, healthy, and economical meal with this delicious recipe for Mushroom Tostadas with Nopales. The secret to this easy recipe is to cook the mushrooms with garlic and guajillo. Don't forget that for the nopales, you can use baking soda, and that will help you cook them better; they won't be so slimy and will have a brighter color. What else would you pair with this recipe for Mushroom Tostadas with Nopales?