No-Churn Bananas Foster Ice Cream by Wood and Spoon blog. This is a one ingredient ice cream made with frozen bananas, all gussied up with the addition of a rum foster sauce and praline pecans. The ice cream comes together in a blender and is swirled with the stovetop bananas foster sauce and candied nuts. Learn how simple this nice cream is (with options for dairy free ice cream!) on thewoodandspoon.com.