In a large bowl, cream together the butter and brown sugar and beat until light and fluffy.
Beat in vanilla extract.
Gradually add flour, alternating with the dairy free condensed milk.
Stir in the mini chocolate chips.
Transfer mixture to small bowl and place in the freezer for about 1 hour.
Line baking sheet with parchment paper
Remove from freezer.
Form balls with cookie dough scoop and place on prepared baking sheet. Place back in the freezer for 30-60 minutes, You can leave them in longer too.
Add melting chocolate to a microwave safe bowl and heat for 1 minute. Stir and continue heating for 30 seconds at a time until chocolate is almost melted.
Remove and stir until chocolate is completely smooth.
Line another baking sheet with parchment paper. Remove 5-6 balls from freezer at a time.
Using a fork and knife, or as dipping fork, dip balls in melted chocolate, allowing the chocolate to drip off into the bowl
Place on prepared baking sheet. If using garnish, like sprinkles, add immediately before chocolate hardens.
Repeat with remaining balls Let set 15-30 minutes to set.
If you are going to use some piping colors then you can do this after the balls harden. Sprinkle on any decorating before the piping hardens.
Store in airtight container in refrigerator.