Chocolate Peppermint Mousse {skinny}

INGREDIENTS

3 1/2 oz

semisweet chocolate chips

1 1/2 tbsp

unsalted butter

large egg yolk

2 tbsp

sugar

1 tbsp

water

1/4 tsp

instant espresso powder

1/4 tsp

pure peppermint extract

3 tbsp

Greek yogurt

3 tbsp

heavy cream

1/4 cup

heavy cream

1 tbsp

powdered sugar

1/8 tsp

pure peppermint extract

crushed candy canes, optional