Easy Onion Soup au Gratin for One
Place the water in a microwave-safe casserole dish. Stir in the onion soup mix.
Microwave on high heat for 2 minutes until the soup is heated through.
Cut the crusty bread or toast into several cubes. Add the cubes and sprinkle the grated cheese on top. Microwave on high heat for 3 more minutes or until the cheese melts.
Don't have a hot plate? This quick and easy recipe shows you how to prepare instant soup mixes in the microwave.