PREPARATION:
- Preheat oven to 350°F. Spray 1-1/2-quart round casserole with nonstick cooking spray.
- Cook pasta according to package directions until al dente. Drain.
- Meanwhile, whisk eggs in large bowl until blended. Add ricotta and spinach to eggs; stir until blended. Stir in pasta, marinara sauce and salt until pasta is well coated. Pour into prepared dish. Sprinkle mozzarella and Parmesan evenly over casserole.
- Bake, covered, 30 minutes. Uncover and bake 15 minutes more or until hot and bubbly.
