Frozen Nutella Chocolate Mousse Pie

INGREDIENTS

full Oreo cookies (no need to remove creme)

4 tbsp

butter (melted)

1 cup

milk chocolate chips

2 tsp

unsweetened cocoa powder

3/4 cup

full-fat vanilla or plain Greek yogurt

1/2 cup

white sugar

1 tsp

vanilla extract

1/4 cup

unsweetened cocoa powder

1/2 cup

hot water

1 cup

and 1/2 milk chocolate chips

2 cups

heavy cream (very cold)

3 tbsp

powdered sugar

1 tsp

vanilla

1/3 cup

Nutella

Optional: chocolate bar