Can tapioca pudding be used instead of starch?

No, tapioca pudding cannot be used instead of starch. Tapioca pudding is a dessert made from tapioca pearls cooked in milk or water, while starch is a type of carbohydrate that is found in many plants. Starch is used as a thickening agent in many foods, while tapioca pudding is not a thickening agent.