Turn on the oven to preheat to 200 degrees. Grease 6 tins with a volume of 180 g with oil, put them on a large baking sheet, set aside.
In a large bowl, combine eggs, sugar, vanilla and a pinch of salt and beat. Add milk, then gradually add flour and baking powder, mix until smooth.
Put the berries in prepared molds, pour the dough and place in a preheated oven for 20 minutes, until golden brown. You can sprinkle the dessert with powdered sugar before serving.