Homemade Hot Chocolate

2 cups instant nonfat dry milk
3/4-cup sugar
1⁄2 cup unsweetened cocoa
1 tsp. salt
1-cup miniature marshmallows (optional)

Stir all the ingredients together and store in a tightly closed jar or container for up to 2 months. To use, put 2-3 heaping tablespoons of the mix into a cup filled with either boiling water or hot milk.