Louisiana Crunch Cake

INGREDIENTS

3 cups

cake flour (not self-rising)

1 tsp

salt

1 tsp

baking powder

1/2 tsp

baking soda

1 cup

butter, at room temperature

2 cups

granulated sugar + 1/4 cup for sprinkling in pan

large eggs, at room temperature

1/4 cup

sour cream

2 tsp

vanilla extract

1 cup

buttermilk

1/4 cup

coconut flakes

2 cups

confectioners' sugar

1/4 cup

melted butter

2 tbsp

heavy cream or whole milk, as needed

1/2 tsp

pure vanilla extract

1/4 cup

coconut flakes

1/4 cup

sliced almonds