I very seldom use recipes, but one I did use for a reference was an Italian favorite. It had penne, fried eggplant, Italian sausage, tomato paste, ricotta, mozzarella, and provolone cheeses. Lots of garlic and an onion or two and mushrooms, of course.
I’ve had to wing it the last two times I made it. I added roasted red bell peppers to that list, too. Mmm, it was good! Now if I could only find that recipe…