Easiest Pumpkin Pie Ever | Thanksgiving Recipe

Ingredients: 1 ( ...  oz.) package refrigerated pie crusts 1 1/2 cups plus 2 Tbsp. buttermilk, divided Parchment paper 1 (15 oz.) can pumpkin 3/4 cup sugar 2 teaspoons ground cinnamon 1/2 teaspoon kosher salt 1 teaspoon vanilla extract 2 large eggs