01 -
1/2 cup (114g) unsalted butter, softened.
02 -
1½ cups (298g) light brown sugar, packed.
03 -
2 eggs, room temperature.
04 -
1½ teaspoons vanilla extract.
05 -
1/2 cup (40g) Dutch-process cocoa powder.
06 -
1½ teaspoons baking soda.
07 -
1/4 teaspoon salt.
08 -
1½ cups (180g) cake flour.
09 -
2/3 cup (150g) sour cream.
10 -
3/4 cup hot water or coffee.
11 -
3/4 cup (170g) unsalted butter, softened.
12 -
6 tablespoons (85g) cream cheese, softened.
13 -
1¼ cups (340g) Nutella.
14 -
1/2 cup (85g) semisweet chocolate chips.
15 -
1/2 cup (85g) milk chocolate chips.
16 -
3/4 cup (227g) Nutella.
17 -
1/4 cup whole milk.