This tastes just like the frozen malts you may have had at a drugstore soda fountain. Look for malt powder near the powdered milk in the supermarket.
10 servings (serving size: 3/4 cup)
Combine first 3 ingredients in a bowl; stir well with a whisk. Add malt powder, stirring until dissolved. Stir in milk. Cover and chill. Pour mixture into the freezer can of an ice-cream freezer; freeze according to manufacturer's instructions.