Pineapple Upside-Down Cake Gelson's

Ingredients

• Cooking spray, for greasing the pan
• 1 ⅔ cups all-purpose flour
• 2 tsp baking powder
• ¾ tsp kosher salt
• 2 large Gelson’s eggs, room temperature, separated
• 1 ½ sticks unsalted butter, room temperature, divided
• 1 cup granulated sugar
• ½ cup whole milk, room temperature
• 1 Tbsp vanilla extract
• ¾ cup packed brown sugar
• 1 20-oz can pineapple rings, drained
• 13 maraschino cherries