4 rigatoni with sweet potato and Recipes

sweet potatoes, peeled and cubed, onion, halved and sliced, garlic cloves, minced, olive oil, salt, dried sage leaves, pepper, uncooked rigatoni, butter, heavy whipping cream, white wine or chicken broth, chopped walnuts, toasted, shredded parmesan cheese

sweet potatoes, rigatoni, olive oil, garlic, sliced, fresh oregano stems, kosher salt, freshly ground black pepper, freshly grated parmesan

ziti pasta (whole wheat preferred) or 1 lb rigatoni pasta (whole wheat preferred), firm tofu, mashed well (or a 14 oz block), store-bought tomato sauce, grated parmesan cheese, shredded part-skim mozzarella cheese, sweet potatoes or 1 medium yam, peeled and rough chopped, carrot, peeled and sliced into thick chunks, water, cauliflower, cut into florets, zucchini, peeled and rough chopped, fresh lemon juice, water , if necessary