Regular butter can be subbed for vegan butter 1:1
Regular milk can be subbed for plant-based milk 1:1
Pastry or cake flour works best for this recipe because of the lower protein content. To make your own pastry flour at home, use 1 ½ cups all purpose flour + 2 Tbsp cornstarch for this recipe.
Torani pumpkin pie simple syrup can be subbed for a homemade simple syrup or maple syrup 1:1 in volume.