14 manicotti pasta shells
1 onion, chopped
2 cloves garlic, minced
1 green bell pepper, seeded and chopped
1/4 cup butter or olive oil
1-2 cups cooked cubed ham
1/3 cup grated Parmesan cheese
6 Tbsp. butter or olive oil
6 Tbsp. flour
3 cups milk
2 cups shredded Swiss cheese
1/2 cup grated Parmesan cheese