Italian Green Beans

==Ingredients==
* 1 can (14½ ounces) stewed tomatoes, chopped
* 3 cans (4 ounces each) sliced mushrooms, undrained
* ½ tsp onion powder
* ¼ teaspoon garlic powder
* ¼ tsp dried leaf basil
* ¼ teaspoon dried leaf oregano
* 3 cans (15 ounces each) Italian style green beans, 2 of them drained
* ½ cup Parmesan cheese
==Directions==
# Add all ingredients except green beans.
# Mix thoroughly and simmer for 15 minutes.
# Add green beans and mix.
# Bake at 250°F in a covered casserole for 30 minutes to 2 hours; or in a slow cooker on low up to 3 hours.