Raspberry Buckle

INGREDIENTS

• 1/2 cup (1 stick) unsalted butter, room temperature, plus more for baking dish
• 1 cup granulated sugar
• 3 large eggs
• 1 cup all-purpose flour, (spooned and leveled)
• 1/2 teaspoon salt
• 1/2 teaspoon baking powder
• 2 containers (1/2 pint each) raspberries (2 3/4 cups)
• Confectioners' sugar, for dusting (optional)
• Whipped cream, (optional)