There's a comforting familiarity to store-bought condiments—not only is that bottle of ketchup or jar of mayonnaise easy, but it always tastes the same. But the truth is that that consistent taste is often pretty mediocre. Making your own condiments gives you access to a vibrant palette of flavors that you'll never find in the supermarket. From barbecue sauce to guacamole, we've rounded up 40 of our favorite homemade condiment recipe.