1 Bring about 6 quarts of water to a boil with 1 tablespoon salt.2 Add the macaroni and cook, stirring occasionally, for about 8 minutes, or until done. 3 While the macaroni is cooking, place the tomatoes and their juice into a large bowl.4 Add the baking soda, and with a fork or your fingers, break the tomatoes into small chunks. 5 Stir in the tomato sauce. 6 Add the cottage cheese, Parmesan cheese, spinach, peas, basil and pepper and toss to combine; set aside. 7 When the macaroni is done, drain well in a colander and rinse. 8 Add to the cheese mixture, toss to mix thoroughly, then pour into an oiled 2 ½ quart baking dish. Preheat the oven to 350°F. 9 Cover the baking dish with foil and bake the casserole for 20 minutes, then uncover and bake 10 minutes longer. 10 Stir in the walnuts and spring with parsley.