The Best Chocolate Sheet Cake

INGREDIENTS

INGREDIENTS:

1/2 cup

sour cream (115g)

1 cup

buttermilk (236mL)

large eggs

1 1/2 cups

strong hot coffee Use a Moka pot so it's basically espresso (354mL)

3/4 cup

vegetable oil (177mL)

1 tbsp

vanilla extract (15mL)

3 cups

all-purpose flour (360g)

2 2/3 cups

granulated sugar (530g)

1/2 cup

cocoa powder (50g)

1 1/2 tsp

baking powder (6g)

1 tbsp

baking soda (18g)

3/4 tsp

kosher salt (4g)

3 sticks

unsalted butter (330g)

1/2 cup

cocoa powder (50g)

3/4 tsp

salt (4g)

1 lb

confectioners sugar sifted (453g)

1/3 cup

fudge nice quality (100g)