Raspberry Peach Upside-Down Cake - Health Nut Ninja

Ingredients

• Cooking spray
• 1/2 c. (1 stick) butter, melted
• 1 c. granulated sugar (optional: 1/2 C to modify-peaches and raspberries will sweeten it)
• 2 large ripe peaches, sliced
• 1 (6-oz.) package raspberries
• 2 tsp. cornstarch, divided
• 2 2/3 c. all-purpose flour (optional: use your healthier version)
• 2 tsp. baking powder
• 1 tsp. kosher salt
• 1/2 c. butter, softened
• 1 c. granulated sugar (optional: cut sugar 1/2) –trust me, it will still taste delish!
• 1/2 c. packed brown sugar
• 2 large eggs
• 1 tsp. pure vanilla extract
• 1/2 c. sour cream (optional: Plain Greek Yogurt)
• 1/2 c. milk (optional: skim, almond, coconut)