Make this classic lasagna recipe zestier by using hot Italian sausage or a little milder with regular Italian sausage. Don't be scared off by the long cooking time. The wait is well worth it. It's a great dish to make for a crowd and easy to adjust for varying tastes. The leftovers are even better when reheated the next day.
This casserole makes a quick, well-balanced meal with things you have on hand! If you don't have spinach you can substitute it for a vegetable you do have!
