Cook pasta in boiling water with bouillon cubes for flavor. Add salt to water if omitting bouillon. Cook until "al dente".
Heat 2 tablespoons oil in saute pan, add onions and then garlic. Add cauliflower (or other vegetables in pantry), for 2 to 3 minutes. Salt and pepper to taste. Add your tomatoes and simmer for 2 to 3 minutes. Add half and half or milk, grated cheese and red pepper flakes to taste and simmer for 45 minutes. Adjust seasonings. Ladle over pasta or toss together and serve