Divide the risotto into 4 separate portions and flatten into discs.
Dredge each in the flour before dipping in the egg mixture and then roll in the breadcrumbs.
In a large skillet, heat the olive oil over medium heat. Add the cakes to the skillet and fry for 3-5 minutes per side or until golden brown. Serve immediately
Notes
It's easier to shape risotto into patties when it's cold. If possible, refrigerate the leftover risotto for a few hours or overnight before forming the cakes.
If the risotto is still too loose after placing in the fridge, add some breadcrumbs and egg to the actual risotto to help it bind together.
Feel free to experiment with flavors. Add herbs, spices or grated cheese to the risotto mixture for added taste.
If possible, use a non-stick pan for cooking. This helps prevent them from sticking and ensures an even, golden crust.