<human>:  How to make a blueberry cobbler?
<bot>: Step 1: Preheat your oven to 375°F.Step 2: Grease an 8-inch or 9-inch square baking dish.Step 3: In a medium bowl, whisk together 1 cup of flour, ¼ cup of sugar, 2 teaspoons of baking powder, and ¼ teaspoon of salt.Step 4: Cut 4 tablespoons of cold butter into the flour mixture until the mixture has a crumbly texture.Step 5: In a separate bowl, stir together 2 pints of fresh blueberries, 1/3 cup of sugar, and 1 tablespoon of cornstarch.Step 6: Pour the blueberry mixture into the baking dish.Step 7: Spoon the flour mixture over the blueberries, and spread it out in an even layer.Step 8: Bake for 25-30 minutes, or until the topping is golden brown and the blueberries are bubbling.Step 9: Let the cobbler cool for at least 20 minutes before serving. Enjoy!