The brewing device for beverages includes a brewing unit for the brewing of a beverage, a crema valve and an outlet, wherein the brewing unit, the crema valve and the outlet are connected with one another in such a manner that in the brewing unit brewed beverage can be directed through the crema valve to the outlet. The crema valve is designed in such a manner that the brewed beverage can be swirled through in a crema chamber of the crema valve so that a crema is created. Furthermore, the brewing device includes an injection device for injecting a gas into the crema chamber and a dosing device for dosing the quantity of the gas injected into the crema chamber which is designed in such a manner that with each injection of the gas a preset quantity of the gas is injected in each case, where the preset quantity of the gas is a parameter that can be changed.