Hamburger Casserole

1/2 small onion
1 tablespoon olive oil
1/4 pound ground beef
1 small tomato, peeled and cut up
1/4 green bell pepper, chopped
1/2 stalk celery, chopped
Salt and pepper
1/2 teaspoon sweet basil
1/2 small zucchini, thinly sliced

Chop onion. Cook in skillet with 1 tablespoon olive oil. Add hamburger to onion and brown to taste. Add tomato. Add pepper and celery. Season to taste with salt and pepper and 1/2 teaspoon sweet basil. Fry until almost cooked. Add zucchini, sliced thin. Barely heat through. Serve with cooked rice.

Makes 2 medium servings.