put the sentences in the correct order to make potato cakes.

1-Peel the potatoes and slice them.
2-Put the potatoes in a saucepan with some water an salt.
3-Boil the potatoes for twenty minutes.
4-Mash the potatoes.
5-Put the mashed potatoes, the flour and the butter into a bowl.
6-Mix the mashed potatoes, the flour and the butter.
7-Make twelve cakes with the mixture.
8-Cover the cakes with grated cheese and keep them warm in the oven.
9-Fry the potato cakes in a frying pan until they are brown.
10-Serve the potato cakes with greens and sour cream.