A glass of water is poured into a saucepan, salt and 100 g of butter are added.
Put the pan on the fire and bring the mixture to a boil with constant stirring. The mass is thoroughly mixed.
Then a glass of flour is added little by little, stirring constantly.
Leave for another 1-1.5 minutes over moderate heat with constant stirring, cool to 35-37 degrees (approximately to body temperature).
One by one, 4-5 eggs are gradually introduced, each time stirring the dough until smooth.
Turn on the oven. A baking sheet is greased with vegetable oil. Spread the dough into a pastry syringe and form oblong eclairs on a baking sheet. Custard cakes are baked in a preheated oven at 200 ° C for about 30 minutes (until golden brown). The finished eclairs are cooled and pierced.
To prepare the cream, eggs are mixed with sugar in a saucepan.
Milk, flour, and vanillin are added. Mix thoroughly.
The mass is brought to a boil, stirring constantly, and cooled. Then add softened butter and beat the cream until smooth.
The cakes are filled with cream using a pastry syringe. Ready-made Eclair cakes with custard are served with coffee or tea.