Prepare a cupcake pan with 12 cupcake liners
Preheat oven to 300°F
Add all dry ingredients to a large bowl and whisk together.
Add eggs, buttermilk and vegetable oil to the dry ingredients and mix well.
Add vanilla to hot water and add to mixture. Mix well.
Divide batter evenly between the 12 cupcake liners & bake for 18 minutes until a toothpick comes out with a few crumbs.
Remove the cupcakes from the oven and let them rest for 1 hour to cool completely