Melt the chocolate in a microwave in 30 second intervals stirring between each interval and then pour a small amount into the silicone mold.
Use a paintbrush and basting brush to spread the chocolate evenly in the mold and make sure that the chocolate goes all the way up to the edges of the mold.
Allow the chocolate to harden and follow the same process 3-4 mores times to apply more layers of chocolate into the molds.
Then allow the chocolate to completely harden (5 minutes) and gently remove the chocolate from the molds.
Microwave a microwave safe plate for approximately 30 seconds to heat up the plate. Place half of the chocolate shells onto the warm plate to melt the rim slightly.
Then fill with 2 tsp of hot cocoa mix and mini marshmallows.
The melt the rims on the 2nd set of chocolate shells by following the same process with the warmed plate.
Quickly place the two open ends of the chocolate shells together and smooth out any extra chocolate around the seam where the 2 shells join together.
Then place the chocolate bomb in a mug and pour hot milk over the top to melt and reveal the hot chocolate within.
Enjoy!
Notes
After these hot chocolate bombs have been made, they do not need to be refrigerated and will last approximately 3-6 months depending on the expiration date on the chocolate that you use to make the bombs.