1 lb ground beef
4 mushrooms, chopped
3 ears of fresh corn kernels, or 1 1/2 cups frozen corn
2 ribs of celery, chopped thinly
1 medium onion, chopped
2 cloves garlic, minced
2 14.5 oz cans petite diced potatoes with juice
2 Tbsp concentrated tomato paste
2 Tbsp basil
1 Tbsp oregano
1/2 tsp red pepper flakes
salt and pepper to taste
1 1/2 cups cooked long grain rice
1/4 cup chopped Italian parsley
6 bell peppers
1 cup shredded fontina cheese or monterey jack cheese