Bailey's Chocolate Truffles

Bahan-bahan (10 porsi)

• 12 oz . dark or semisweet chocolate chips
• 4 Tbsp . Irish cream (I prefer Bailey’s)
• 2 Tbsp . heavy cream
• 1 tsp . instant coffee powder (optional)
• 1/2 tsp . vanilla extract
• unsweetened cocoa powder, for dusting