This is a fun, vegetarian sandwich.
2 small zucchini, thinly sliced
1 teaspoon canola oil
1 cup dry lentils, cooked and drained
1/4 teaspoon red pepper flakes
1 8-ounce can tomato sauce
1/2 teaspoon Italian seasoning
8 thin slices mozzarella cheese
4 sandwich buns
Preheat oven to 350 degrees F. Fry zucchini in oil. Add lentils, sauce, and spices. Line each bun with cheese. Fill with zucchini mixture. Wrap sandwiches in foil and bake for 15 minutes.