Overnight Blueberry Bake

Ingredients

• 1 cup whole-wheat pastry flour
• 3/4 cup yellow cornmeal
• 1/3 cup granulated sugar
• 1 1/2 teaspoons ground cinnamon, divided
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 teaspoon ground ginger, plus more, to taste, for topping
• 1 cup plain Greek fat-free yogurt
• 3 eggs, lightly beaten
• 1/3 cup canola oil
• 1/4 cup unsweetened applesauce
• 1 tablespoon butter flavor extract
• 2 cups frozen blueberries, divided
• 2 tablespoons dark brown sugar, packed
• imitation whipped cream, optional, to taste, thawed, for serving