If you don't have any pumpkin pie spice on hand, check your pantry! You might have everything you need to make it. This mixture will make you about 1 tbsp of pumpkin pie spice: 2 tsp ground cinnamon, 1/2 tsp ground allspice, 1/4 tsp ground cloves, 1/4 tsp ground ginger, and 1/8 tsp ground nutmeg.