Ingredients

· 1 large onion

· 1 cup flour

· 1 egg yolk

· 1 tablespoon baking soda

· 1 cup milk

· Oil

· Salt

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Peel onion, cut into thin rings and put it in cold water about 30 minutes. Meanwhile, mix the flour, baking powder and salt.

Undo the yolk into the milk, add one tablespoon of oil and unite with the mixture of flour, yeast and salt, until we form a cream.

Drain the rings, the blow dry and soaked in the cream.

Finally, in a medium saucepan put plenty of oil, heat it and fry the rings.