Gather ingredients: Add 1 cup whole milk, 1/2 cup canned pumpkin, and 1 1/2 cups vanilla ice cream to your blender.
Season the mix: Sprinkle 1/2 teaspoon pumpkin pie spice and 1/4 teaspoon vanilla extract into the blender with other ingredients.
Blend thoroughly: Pulse on high speed for two to three minutes until completely smooth.
Chill glasses: Pour your shake into pre-chilled flute glasses immediately after blending.
Garnish generously: Top with you faviourite topping like whipped cream, graham crackers, nutmeg or caramel sauce drizzle.