4 c. instant nonfat dry milk powder
3 c. non-dairy creamer
2 1/2 c. granulated sugar (or sugar substitute equivalent)
2/3 c. cocoa
1/2 tsp. salt (optional)

Mix all ingredients well in large mixing bowl. Store in airtight container. When ready to use, put 4 tablespoons of cocoa mix in a cup. Fill with hot water, stir, and enjoy. Top with a marshmallow if desired.