INSTRUCTIONS
    
    
        
            2        
        
            In a large bowl, combine the cornstarch, granulated sugar, blueberries, and lemon juice. Toss the mixture until 
it is well combined and transfer to a buttered 10-inch (6-cup) deep-dish pie plate.        
     
    
        
            3        
        
            In another bowl, combine the flour, brown sugar, baking powder, salt, and cinnamon.        
     
    
        
            4        
        
            Cut in the butter, and blend the mixture until it resembles coarse meal.         
     
    
        
            5        
        
            Add 1/2 cup plus 2 Tbsps boiling water, and stir the mixture until it just forms a dough.         
     
    
        
            6        
        
            Drop dough over the blueberry mixture by 1/2 cupfuls and bake the cobbler in the middle of the oven for 30 to 40 minutes, or until the topping is golden and cooked through.        
     
    
        
            7        
        
            Serve the cobbler warm with ice cream and garnish with the toasted pecans.