Samoa Sugar Cookies

INGREDIENTS

2 1/2 cups

cake flour ((scooped and leveled)*)

2 tsp

cornstarch

1 1/2 tsp

baking powder

1/2 tsp

salt

1/2 cup

unsalted butter (, at room temperature)

1/4 cup

all vegetable shortening ((unflavored), at room temperature)

1 cup

granulated sugar

large egg

large egg white

2 tsp

vanilla extract

6 tbsp

salted butter (, at room temperature)

1/2 cup

homemade caramel sauce ((fully chilled), plus more for drizzling (recipe here))

3 cups

powdered sugar

1/2 tsp

vanilla extract

1 tbsp

milk

1 cup

chocolate chips ((preferably 1/2 cup milk chocolate and 1/2 cup semi-sweet))

1/4 cup

heavy cream

1 cup

toasted sweetened coconut (, slightly crushed into smaller pieces)