INGREDIENTS
3
Eggs plus, large
4 1/4 cups
All-purpose flour, unbleached
1 3/4 tsp
Baking powder
3 1/2 tsp
Baking soda
1 3/4 tsp
Kosher salt
1
Make-ahead chocolate buttercream frosting
3 1/3 cups
Sugar
2 tsp
Vanilla extract, pure
3/4 cup
Vegetable oil
1
Butter, Unsalted
2 cups
Buttermilk
1 3/4 cups
Water