Bake brownies according to package directions, and cool completely.

Cut a border around the outer edge of the pan to separate the crispy brownie edges from the Use a fork to fluff up brownie, leaving crispy outer edge.* Crispy edges don't squish into truffles very well.

Line a baking sheet with wax paper. Using a small cookie scooper or wet hands, scoop out about 1 1/2 tablespoons of brownie dough and wrap around one Snickers bite. Roll into a ball and place onto lined baking sheet. Repeat with the rest of the brownie dough, then freeze brownie truffles for at least 15 minutes.

Remove brownie truffles from freezer and dip into melted chocolate, using two forks to tap off any excess chocolate and transfer back to the baking sheet. Immediately sprinkle a few mini chocolate chips on top, if using. Repeat with the rest of the brownie truffles.

Refrigerate truffles until chocolate has set. Truffles stay fresh for up to one week sealed in an airtight container at room temperature.