Chocolate Layer Cake with Cream Cheese Frostings

INGREDIENTS

Eggs, large

3 cups

All-purpose flour

1 1/2 tsp

Baking soda

1 1/2 cups

Brown sugar, firmly packed light

9 oz

Chocolate, unsweetened

1/2 cup

Cocoa powder, Dutch-process

1 1/2 cups

Granulated sugar

6 3/4 cups

Powdered sugar

7/8 tsp

Salt

3 tsp

Vanilla

2 1/2 cups

Butter, unsalted

1 1/8 cups

Buttermilk

19 oz

Cream cheese

3 tbsp

Heavy cream

1/2 cup

Sour cream

chocolate shavings or curls

2 tablespoons Frangelico