Pumpkin Ice Cream Pie

INGREDIENTS

1/3 cup

unsalted butter, melted (about 5 1/2 tablespoons)

1 1/3 cups

graham cracker crumbs (use gluten-free graham cracker crumbs if necessary)

1/4 cup

granulated sugar

3 cups

Breyers Gluten Free Extra Creamy Vanilla (or similar vanilla ice cream), well-softened

1 cup

pumpkin puree

1/3 cup

light brown sugar, packed

1 tsp

vanilla extract

1 tsp

cinnamon

1 tsp

pumpkin pie spice

whipped cream or whipped topping for serving, optional