Gnocchi with spinach and feta cheese

Ingredients

• 1 pack of dried potato powder for puree
• 300 ml water
• 1 tea spoon salt
• 1 egg
• 6-8 soup spoons of flour

For the sauce :

• 300 g fresh spinach
• 200 g feta cheese
• 1 onion finely chopped
• 1 clove of garlic finely chopped
• salt and fresh pepper
• some olive oil to fry