Canned foods are long-lasting, packed with flavor, and often inexpensive. Here are the canned foods that chefs love to keep in their pantries: Brown anchovies can be used in the base of any sauce for an extra savory pop of flavor. You can quickly make sauces or add tomato flavor with canned plum tomatoes. Spam can be used in more ways than most people can imagine. Cream of mushroom soup is a foundation for so many classic recipes. You can make easy dulce de leche by cooking a can of condensed milk for three hours. If you can't get your hands on meat, canned beans are a great alternative for protein. Use sardines to make a quick and easy version of avocado toast.