Chocolate cupcakes!

Ingredients:
eggs - 1 piece
sugar - 150 grams
flour - 125 grams
cocoa - 25 grams
milk - 140 ml.
vegetable мпсло - 60 ml.
teaspoon salt 0,5
soda - 0,5 teaspoons
vinegar - 1 tablespoon.

Preparation:
To mix all dry ingredients it is good to mix, then to add eggs, milk, vegetable oil, and vinegar to dry mix. to shake up the mixer 2-3 minutes, to pour in forms and to put to be baked in an oven for 25-30 minutes.
To decorate ready cupcakes voluntarily.