Fresh Raspberry Cake

Ingredients

• 4 Tbsp butter (1/4 cup)
• 1 cup sugar, divided
• 1 egg
• 2 cups sifted all-purpose flour
• 1/2 tsp baking powder
• 1 tsp baking soda
• 1/8 tsp salt
• 1 cup buttermilk
• 2 cups fresh raspberries (or one 12-ounce pkg. frozen raspberries*)