1Combine sugar, flour, and salt in a small mixing bowl. Whisk gently to break up any lumps, and set aside. Prepare an ice water bath by filling a bowl halfway with ice and water; set aside.
2Combine buttermilk and egg yolks in a small saucepan and whisk untilsmooth. Whisk in dry ingredients and place the pan over medium heat. Cook, whisking constantly, until mixture is thick enough to coat the back of a spoon, about 4 minutes.
3Remove from heat, and stir in vanilla extract or reserved vanilla seeds. Transfer pastry cream to a small bowl nestled in the ice water bath and let cool completely, stirring occasionally to help it cool faster.
This simple recipe yields tender, fluffy biscuits that are perfect with sausage gravy, or just butter and jam. Remember to keep your butter cold, and use a light touch when patting out the dough. Read more.