My "last minute go to" dinner is usually pasta or soup and a sandwich.
I make my
Quick Marinara Sauce in the time it takes for the water to boil and the pasta to cook. Sometimes if I have some meatballs in the freezer, I will give them a quick defrost in the micro and add them to the sauce while it simmers and the pasta is cooking.
Soup is another quick favorite. I usually start out with 1 (32 oz) container of beef stock and 1 (32) oz container of chicken stock (Yes, I mix the two together in equal parts for better flavor). When it comes to a boil, I add about a cup of dry "soup pasta (tiny shells, ditalini, or your favorite small shape). When the pasta is half cooked, I add a large package of frozen mixed veggies (or veggies of your choice), and a can or two of Navy beans, or black beans (or 1 can of each) or your favorite beans. Make sure the beans are rinsed and drained. If the soup is getting too thick for your liking, add enough water to thin it to the consistency you prefer. Season to taste (ground garlic or garlic powder NOT garlic salt, dried onion flakes, a bit of dried basil, oregano, salt, pepper and a bit of crushed red pepper flakes - use what ever seasonings you prefer in the amounts you like).Cook until it is heated through and the pasta is done to your liking. A hearty vegetable bean soup in 30 min or less!

Garlic bread or grilled cheese sandwiches round out the meal. Sometimes if I have leftover meat (cooked chicken, leftover meatloaf, pork chop, ham, etc) in the refrigerator I will cut it up or shred it and throw it into the soup pot.