A broth soup. Preferably some leftover pasta too. Your two pieces of leftover beef stew, hopefully some veg, too.
I love pasta in broth like I love marmite on toast.
This hardly counts as cooking. Cook a small handful of pasta until underdone. Strain. Bring 200ml water to the boil and add half a beef stock cube (or use fresh if you like). Add your leftover stew and pasta. Simmer for a few mins. Voila! Lunch for one, or scale up if you have more people to feed.
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