Yup. You can do a lot with adding various meat/veggies to a bowl of ramen.
You can "stretch" most TV dinners by adding appropriate ingredients. (Most pasta dishes could do with some more veggies.
These usually need some more rice added.)
Adding toppings to a frozen cheese pizza is also a time-honored tradition.
You can spruce up store-bought tomato sauce by browning some garlic powder and olive oil in a pan, pouring in the sauce and a glass of red wine, and then cooking a couple hamburger patties in it.