blueberry cobbler recipe

Blueberry Cobbler Recipe **Ingredients:** **Filling:** - 4 cups fresh or frozen blueberries - 1/2 cup sugar - 1 tbsp lemon juice - 1 tbsp cornstarch **Topping:** - 1 cup all-purpose flour - 1/4 cup sugar - 1 tsp baking powder - 1/2 tsp salt - 1/2 cup cold butter, cubed - 1/4 cup boiling water