Whisk all ingredients together in a large bowl until thoroughly mixed.
Store homemade hot chocolate mix in an airtight container or large mason jar.
For individual servings, use 3 Tablespoon of the mix with 8 oz. hot water.
To give as gifts, fill pint sized mason jars ⅔ of the way with the mix. Layer mini chocolate chips and mini marshmallows on top. Tie festive ribbon or baker's twine around the top of the jar.