Carolina's great omelette

INGREDIENTS: 

1 Kg of potatoes, 4 eggs, 1/2 l of cooking oil, Salt, 1 onion. 

UTENSILS:  

Frying-pan, Dish, Bowl, Knife. 

WAY OF COOKING

1-Peel the potatoes, wash them and cut, then put the potatoes in the frying-pan with cooking oil and onion, and warm. Then add some salt.

2-Beat the eggs in a bowl and mix with the potatoes.

3-Put the eggs and the potatoes with a little cooking oil in a frying-pan and turn it with a dish.

4-Serve warn or cold.                                             

Enjoy your meal!   
Thanks for this traditional Spanish omelette, the most famous and well known Spanish dish.
And now a game: How many  flags can you identify?