Add frozen bananas, peanut butter, and creamer in a food processor. Blend until creamy.
Serve ice cream in a dish!
Notes
To adjust creaminess: Loosen by adding more milk / creamer. Thicken by adding more peanut butter or frozen bananas. Milk / Creamer: Use your favorite creamer (the flavor of the creamer will add to the ice cream) or just use a plain milk.