Step-by-step recipe for the beginner cook eating solo. Inspired by a Vegetarian Times recipe from the '90s using healthy buckwheat noodles. Use frozen spinach, broccoli, corn, or all three. Substitutions: Broth can be powder or liquid, chicken or beef, or use miso powder or paste. Variations: Add kimchi, cooked meats, beef balls, fishballs, kamaboko, green onion, seaweed, cooked dumplings or wontons.