INGREDIENTS
1/3 cup
cocoa powder
1/2 tsp
baking soda
1/2 cup
boiling water
1/4 cup
butter (, melted)
2 1/2 tbsp
vegetable or canola oil
3/4 cup
+ 2 Tbsp granulated sugar
3/4 tsp
vanilla extract
1/4 tsp
salt
1
large egg
1
large egg yolk
1/4 cup
heavy cream
3/4 cup
+ 2 Tbsp all-purpose flour
1/2 cup
salted butter (, firm but not cold)
6 oz
cream cheese (, cold)
1/2 tsp
vanilla extract
2 1/2 tbsp
cocoa powder
3 1/3 cups
powdered sugar