1/2 cup virgin coconut oil
3/4 cup all-purpose flour
3/4 cup oat flour
1/2 cup old-fashioned rolled oats
1 1/2 teaspoons baking powder
1/4 teaspoon kosher salt
1/2 cup unsweetened wide-flake coconut
1 cup full fat sour cream, room temperature
1/3 cup granulated sugar
1 large egg, room temperature
1 teaspoon lemon zest
1 vanilla bean, split
1 cup diced mango (from 2 Ataulfo mangoes)
1/4 cup sweetened shredded coconut, for top