1 cup all-purpose flour
½ cup packed light-brown sugar
1/3 cup granulated sugar
1/3 cup cocoa powder
1 tsp baking powder
½ tsp baking soda
½ tsp salt
1/3 cup vegetable oil
1/3 cup milk
1 large egg
1 tsp vanilla extract
1/3 cup hot water
¼ cup sour cream
1/2 cup evaporated milk (regular fat)
2 large egg yolks
1/2 cup packed light-brown sugar
1/4 cup salted butter, diced into pieces
1/2 tsp vanilla extract
1 cup sweetened shredded coconut
3/4 cup chopped pecans
4 oz semi-sweet chocolate, chopped
6 Tbsp salted butter, softened
3 oz cream cheese, softened
1 1/4 cups powdered sugar
2 1/2 Tbsp cocoa powder
2 - 4 tsp heavy cream, as needed