Veal Italiana over Spaghetti Squash - Catelli Brothers

Ingredients

• 1 1/2 pounds veal for stew, cut into 1/2" pieces
• 1 tablespoon butter, divided
• 1 tablespoon olive oil, divided
• 1/2 teaspoon salt, divided
• 1 cup chopped red onion
• 3/4 cup chopped green bell pepper
• 1/2 cup chopped cremini mushrooms
• 1/4 cup finely chopped prosciutto
• 2 tablespoons dry white wine (optional)
• 2 cloves garlic, minced
• 1 can (14-1/2 ounces) Italian-style diced tomatoes, undrained
• 1/2 cup vegetable broth
• 2 tablespoons chopped fresh oregano
• 2 tablespoons tomato paste
• 3 bay leaves
• 1 spaghetti squash, cut lengthwise in half (about 2 1/2 pounds)
• 1/4 teaspoon ground black pepper
• 1/4 cup grated Parmesan cheese, divided