Neither weather nor weariness should prevent you from eating a good meal It doesn't take a foot of snow to prevent you from going to the supermarket. Cold winds will do it. So will icy rain. Being too tired also will do it. An adequate pantry doesn't mean preparing for Armageddon.
Spaghetti sauce is easy with canned crushed tomatoes and some herbs.
Soup is efficiently made starting with canned broth. Even if there's no meat in the house, you can prepare a filling meal. Added to soups, salads, sauce for pasta and rice, casseroles and anything else you're putting together in a pinch, they are filling, inexpensive and good for you. A little salt goes a long way to enhance the flavor of these foods. For making compote, to add to quick breads and muffins, to fill crepes or fried pies.