1. In a large bowl, mix together nonfat dry milk, malted milk powder, chocolate milk powder, cocoa powder and sugar. Sift into another large bowl. Sift again into the first bowl.
2. Spoon mixture into a 1-quart canning jar. Gently tap on counter a few times to settle ingredients.
3. Place lid on jar and decorate as desired.
4. To present as a gift, attach a gift tag with the instructions for preparing by the cup. Cocoa by the Cup: Place 13 cup of mix in a coffee mug. Pour 8 ounces boiling water into mug and stir.