Baked Spanish Rice - cooking recipe

Ingredients

3 cups cooked long-grain rice
2 tablespoons butter
1 medium onion, chopped
1/2 green pepper, choppped
1/2 cup celery, chopped
1/2 lb mushroom, sliced
2 garlic cloves, minced
2 (8 ounce) cans tomato sauce
1 teaspoon salt
1/2 teaspoon sugar
1/4 teaspoon black pepper
1/2 teaspoon oregano
1/4 cup grated parmesan cheese

Preparation

Preheat oven 350 degrees.
Grease 2 1/2 quart casserole pan.
Melt butter in large skillet.
Saute onion, green pepper, celery, mushrooms and garlic until onion is tender and transparent.
Add tomatoes, seasonings and cooked rice; mix well.
Pour mixture into prepared casserole.
Sprinkle grated cheese over surface.
Bake about 30-35 minutes.
Optional ingredients: 1 cup cooked chopped ham, turkey, chicken, tuna, shrimp or peas.