Crock Pot Bananas Foster. 1 C packed brown sugar 1/4 tsp cinnamon 1/2 C in salted butter (cubed). Melt sugar, cinnamon and butter in croc pot on low for 30-60 min. Add 4 bananas cut into 1 in slices and 1/4 C rum. Cook on low for another 15 min. Serve over vanilla ice cream or pound cake. This would go great over stuffed French toast or pancakes as well.