Preheat oven to 350F
In a medium bowl, beat together the sugar, egg, milk and raspberry extract
In a large bowl, combine flour, salt and baking powder. Add the milk mixture to the flour mixture
Mix the melted butter in and stir to combine. Do not overmix!
Spray your baking pan with cooking spray and pour the batter in to the pan
Bake for 40-50 minutes or until an inserted toothpick comes out clean
Set cake pan on rack to thoroughly cool. Do not try to remove while cake is warm as it will crack. When cooled, place pan upside down and tap. Sides can be loosened with a silicone or wooden tool. Do not use metal as it will scratch the pan.