1 pound lean ground beef
2 tablespoons chili powder
1 tablespoon dried minced onion
1/2 teaspoon dried minced green pepper
1 teaspoon dried minced garlic
1 cup water
1 tablespoon rice vinegar
1 teaspoon salt
1 teaspoon dried marjoram
1 1/2 tablespoons soy sauce
1 (8 ounce) package low fat sliced Swiss cheese
Preheat sandwiches in a large, microwave-safe dish or large bowl.
In a medium bowl, mix together the beef, chili powder, onion, green pepper, garlic, water, rice vinegar, salt, marjoram, and soy sauce. Transfer to the prepared sandwich dish.
Place one small slice of Swiss cheese onto the bottom of the sandwich, flip the sandwich over, and serve warm.