What happens when you have leftover lasagna? You should Make lasagna soup recipe from leftover lasagna. This soup will absolutely become your favorite go-to when you have leftover pasta dishes. You will really LOVE this soup! Dave and I can never finish a big batch of pasta so soup is really a great alternative to tossing it out or freezing it. It is really easy to take any pasta dish and create a batch of soup with it. Another great idea is if you have a large batch of pasta salad, you can do the same by creating a white-based soup. Many families are on a budget so this dish will save…