Combine 4 to 6 tablespoons milk, 1/4 cup Ovaltine, and 1 pint chocolate ice cream
in a blender or a food processor fitted with a blade attachment. Pulse 8 to 10 times or until mostly smooth. Add 1/4 cup chopped malted milk balls and pulse 4 to 5 times more to combine. Pour into a chilled pint glass and serve.