Makes 24 tassies For the Pastry 1/2 cup unsalted butter, room temperature 3 ounces cream cheese, softened 1 cup all-purpose flour For the Filling 1 cup chopped pecans, divided 1 tablespoon unsalted butter, melted 1 large egg, room temperature 1/2 teaspoon vanilla extract Pinch of kosher salt 1 cup packed light brown sugar Preheat oven…