Brown Butter Pound Cake with Blackberry Bourbon Sauce - Oregon Raspberries & Blackberries

Ingredients

• 3 cups all-purpose flour
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• 1 teaspoon fine sea salt
• 2 sticks butter
• 1 cup brown sugar
• 1 cup sugar
• 2½ cups butternut squash, sweet potato, or pumpkin puree*
• 4 eggs
• 1 teaspoon vanilla
• 2 cups fresh, frozen, or canned blackberries
• ½ cup sugar
• ⅓ cup bourbon
• 3 tablespoons orange juice
• 1 tablespoon cornstarch