INGREDIENTS
1 1/2 cups
whole milk
1 1/2 cups
heavy cream
3/4 cup
granulated sugar, divided
1/2 cup
plain malted milk powder
1/4 tsp
fine sea salt
1 tsp
vanilla extract
4
large egg yolks
1 3/4 cups
all-purpose flour
1/2 cup
unsweetened dark or Dutch-process cocoa powder
1/3 cup
plain malted milk powder
1 tsp
baking soda
1/2 tsp
fine sea salt
3/4 cup
unsalted butter, room temperature
1/2 cup
granulated sugar
1/2 cup
packed light brown sugar
1
large egg
1 1/2 tsp
vanilla extract
2 tbsp
sour cream or plain yogurt