Even with an ice cream machine, it takes at least a few hours to get the ice cream ready—and to the consistency you want.

Banana: You'll want to use a ripe banana. If you have small bananas, use two. Fairlife 2% Milk: Adds creaminess and protein.

banana sorbet, coffee gelato, chocolate gelato and a low-calorie ice cream. To put the mix-in programme through its paces, they churned vanilla ice cream with chocolate chips. They also made two ...