Pasta & Pizza with ziti

1/2 lb spiral shaped pasta 1/2 red onion 3 -4 garlic cloves 2 cups crushed tomatoes black pepper 1 bay leaf 1 cup low-fat ricotta cheese 1 1/2 cups low-fat[...]

salt (to taste) 2 1/2 cups milk (low-fat is fine) 2 bay leaves 1/2 lb pasta (elbow, shell, ziti, or other cut, I like rotini) 4 tablespoons butter 3[...]