Boiled Beef with Vegetables

Ingredients:
1 kilo of beef (no bone)
½ kilo of potatoes
¼ carrots
2 onions
3-4 courgettes
1 bunch of celery
2 tomatoes
Salt, pepper, lemon
Preparation:
In a bowl half filled with water add the chopped beef pieces. When boiled, strain the froth with a slotted spoon. Add salt and then let it boil. Just before turning low add all the vegetables cut into cubes. Serve warm with drops of lemon.