Gluten-Free Coconut Layer Cake

INGREDIENTS

• 1/4 teaspoon fine sea salt
• 3 cups heavy cream, chilled
• 2 teaspoons coconut or golden rum
• 2 tablespoons coconut flour
• 10 large eggs, at room temperature, separated
• 9 ounces white chocolate, coarsely chopped
• 1/4 teaspoon cream of tartar
• 1 3/4 cup almond flour
• 1/8 teaspoon fine sea salt
• 2 cups confectioner's sugar, sifted
• 1 tablespoon coconut or golden rum
• 2 cups (3 ounces) unsweetened coconut flakes, for coating