Baked Pasta With Chicken Sausage

Ingredients

• coarse salt and ground pepper
• 1 tablespoon olive oil
• 1 medium red onion, chopped
• 4 cloves garlic, minced
• 1/4 cup vodka (optional)
• 1 can (28 ounces) whole tomatoes with juice, lightly crushed with hands
• 1/2 teaspoon dried oregano
• 1/2 cup heavy cream
• 1 pound rigatoni
• 10 ounces baby spinach
• 12 ounces smoked chicken sausage, halved lengthwise and sliced 1/4 inch thick
• 6 ounces fontina cheese, 4 ounces cut into 1/2-inch cubes and 2 ounces coarsely grated
• 1/4 cup grated parmesan cheese