What are some good alternatives to pasta that I can serve with my homemade tomato sauce?

If you're looking for alternatives to pasta to serve with your homemade tomato sauce, you're in luck because there are many delicious options to choose from. First, let's talk about the eggplant and portobello mushroom idea you mentioned - it's a great one. Slicing eggplant into thick rounds, brushing them with olive oil, and grilling or baking them until tender can make a fantastic base for your tomato sauce. Similarly, portobello mushrooms have a meaty texture that pairs really well with rich, tangy tomato sauce.

Another option you might enjoy is using roasted vegetables as a base. Cauliflower, as you mentioned, is a great choice. You can pulse it in a food processor until it resembles rice, then sauté it in a pan with some olive oil and garlic until it's tender and lightly browned. Then, you can top it with your tomato sauce and some grated Parmesan cheese for a satisfying, low-carb meal. Bell peppers are another good choice - simply roast them in the oven until the skin is blistered and charred, then peel off the skin and fill them with your tomato sauce and some shredded mozzarella cheese.

Other alternatives to pasta you might want to try include spaghetti squash, which can be baked and then shredded into strands that resemble spaghetti, and shirataki noodles, which are low-carb, low-calorie noodles made from the root of the konjac plant. You can also use green beans or broccoli as a low-carb base for your tomato sauce - simply steam them until tender, then top them with your sauce and some grated cheese.

In terms of specific recipes, you might want to try a grilled eggplant parmesan with your tomato sauce, or a roasted vegetable