INGREDIENTS
3/4 cup
unsweetened cocoa powder (not dutch process)
1
and 1/2 cups granulated sugar
1
and 1/2 cups cake flour1 (measured correctly)
1 tsp
baking soda
1/4 tsp
salt
2
large eggs, at room temperature2
1/4 cup
vegetable or canola oil
1 cup
full fat sour cream or full fat Greek yogurt, at room temperature
2 tsp
vanilla extract
1/2 cup
hot coffee or hot water
1 cup
milk chocolate chopped (I used 1 cup semi-sweet chocolate chips)
1 15.25 ounce package
Oreos
1/4 cup
unsalted butter, softened to room temperature
1/4 cup
shortening3
2
and 1/2 cups confectioners' sugar
2 tbsp
milk or cream (cream preferred for best texture)
2 tsp
vanilla extract
3/4
cup unsalted butter, softened to room temperature
1/2 cup
unsweetened cocoa powder
1 tsp
vanilla extract
4 cups
confectioners' sugar
1/4
cup milk or cream (cream preferred for best texture)
16
additional Oreo cookies, pulsed into a fine crumb