No Churn Rhubarb and Custard Ice Cream

rhubarb ((around 4 fat large sticks))

cooked sweet potato

| 1 cup non-dairy milk

mls | ½ cup maple syrup

mls | 1/3 cup brown rice syrup ((optional - see recipe note))

vanilla bean powder ((or 2 tablespoons vanilla extract) - see recipe note)

strong alcohol ((40% proof) -vodka is best as it wont impart any flavour - Optional but it will make your ice-cream softer)