It depends on the specific model of the Ninja Coffee Bar and its capabilities.
Some models may have a built-in milk frother or an attachment that allows for frothing milk. Others may not have this feature and may not be able to make cappuccinos.
How Do You Make A Vanilla Cappuccino With Ninja Coffee Bar?
To make a vanilla cappuccino with a Ninja Coffee Bar that has a built-in milk frother, you would need to prepare a shot of espresso or strong coffee, froth milk with vanilla syrup, and then layer the foam on top of the coffee.
The exact process may vary depending on the specific model of the Ninja Coffee Bar you have.
How Do You Make A Cappuccino In Ninja Dual Brew Pro?
It is not possible to make a cappuccino with Ninja Dual Brew Pro, since it is a coffee maker which do not have the capability of frothing or steaming milk.
It is designed for brewing coffee only.