1. In large Dutch oven over medium heat, warm oil, Add onion and cook until golden, about 5 minutes. Add garlic and cook 1 minute more.
2. Add sausage and cook, breaking up sausage, until cooked through, about 6 minutes.
3. Stir in herbs and pepper flakes.
4. Add tomatoes with puree and bring to a boil. Reduce heat and simmer until thickened, 10-12 minutes, stirring occasionally.
5. Preheat oven to 350 degrees. Oil a baking dish.
6. Prepare pasta according to package directions. Drain well.
7. Toss pasta with sauce, ricotta and fontina/mozzarella.
8. Spread in dish and top with parmesan.
9. Bake until cheeses and melted, 30 minutes.
10. Stand 5 minutes before serving.
2. Add sausage and cook, breaking up sausage, until cooked through, about 6 minutes.
3. Stir in herbs and pepper flakes.
4. Add tomatoes with puree and bring to a boil. Reduce heat and simmer until thickened, 10-12 minutes, stirring occasionally.
5. Preheat oven to 350 degrees. Oil a baking dish.
6. Prepare pasta according to package directions. Drain well.
7. Toss pasta with sauce, ricotta and fontina/mozzarella.
8. Spread in dish and top with parmesan.
9. Bake until cheeses and melted, 30 minutes.
10. Stand 5 minutes before serving.
