Preheat oven to 375 degrees.
Spray with cooking spray or butter a 9-inch springform pan, and dust with granulated sugar.
In one Large bowl whisk together flour, baking powder, and salt in a bowl.
In a medium bowl whisk together melted butter, 3/4 cup brown sugar, milk, and eggs in another bowl.
Whisk butter mixture into flour mixture.
Spread batter evenly into prepared pan.
Arrange apple wedges over batter, and sprinkle with raspberries.
Gently press fruit into batter.