Ingredients:
Make choux pastry by melting the butter in a pan, milk, salt.
Bring to a boil.
Remove from heat and add flour all at once, working quickly with a spatula.
Return to heat and dry out the dough until it separates from the pan.
Remove from heat, let cool.
Stir in 4 eggs 1 1, mixing well with a spatula.
Add this paste to the grated cheese.
Have small balls on a greased baking sheet.
Bake in hot oven (thermostat 7 / 210 ° C), until it swells and it is slightly golden (about 25 minutes).