Uncle Al's Sausage and Peppers Casserole

Ingredients

• 2 tablespoons basil leaves chopped for garnish
• 0.3 teaspoon pepper black freshly ground
• 8 ounces button mushrooms 
• 14 ounce canned tomatoes diced canned
• 4  marinated cherry peppers hot
• 3 cloves garlic chopped
• 1 pound green beans ends trimmed halved
• 1  bell pepper green cored seeded cut into 1-inch-wide strips
• 0.3 cup olive oil 
• 1 teaspoon oregano dried
• 8 servings parmesan shaved for garnish
• 1  bell pepper red cored seeded cut into 1- inch-wide strips
• 1 medium onion red separated quartered
• 0.3 teaspoon pepper flakes red crushed
• 2 pounds turkey sausage fresh cut in 1/2 8 links
• 1  bell pepper yellow cored seeded cut into 1- inch-wide strips

Equipment

• frying pan
• oven

Directions

1. Special equipment: Oval gratin dish
2. Preheat oven to 375 degrees F.
3. Heat 2 tablespoons of oil in a large skillet over medium heat.
4. Add the sausage and cook, stirring occasionally, until browned, about 6 minutes. (Don't fully cook the sausage, as it will be finished in the oven.)
5. Drain the fat from the skillet.
6. Meanwhile, heat the remaining 2 tablespoons oil in a large skillet over medium-high heat.
7. Add the onion and peppers and cook, stirring, until tender, about 2 minutes.
8. Add in the remaining ingredients except for the mushrooms, cherry peppers, and Parmesan and cook, stirring occasionally, for another 3 minutes.
9. Combine the sausage, vegetable mixture, mushrooms, and cherry peppers in the gratin dish.
10. Bake uncovered until well browned, about 40 minutes.
11. Serve garnished with basil leaves and Parmesan.