Ingredients

• cooking spray
• 2 cups all-purpose flour, divided
• 1 (15 ounce) can mashed sweet potatoes
• 1 cup packed light brown sugar
• ½ cup whole milk
• ⅓ cup vegetable oil
• 2 large eggs
• 1 tablespoon baking powder
• 1 teaspoon ground cinnamon
• 1 teaspoon grated orange zest
• ¼ teaspoon salt
• ¼ teaspoon baking soda
• 1 (8 ounce) can pineapple tidbits, drained