In a food processor, blend the oats until fine, but if you're not following a diet plan, then plain flour is fine.
Add a pinch of salt and 180g of leftover soup and blend.
Crack in an egg and blend once more.
Using a frying pan (the smaller the better), spray with oil spray, whack up the heat and spoon in 1 tablespoon at a time and cook each side for around 1-2 minutes.