Cream of Coconut Pineapple Upside-Down Cake

Ingredients (12)

• + ¼ cup brown sugar add to pantry
• + ¼ cup butter add to pantry
• + 7 tablespoons unsweetened coconut flakes add to pantry
• ✓ 2 cups all-purpose flour
• + ¾ teaspoon baking powder add to pantry
• + ¼ teaspoon salt add to pantry
• ✓ 2 egg whites
• + 1 cup white sugar, divided add to pantry
• + 1 (15 ounce) can cream of coconut add to pantry
• + 1 (8 ounce) can pineapple chunks, juice reserved, divided add to pantry
• ✓ 2 egg yolks
• + ½ teaspoon vanilla extract add to pantry