Blueberry Blintzes

Name: Blueberry Blintzes
Ingredients: 1 cup milk; 1/4 cup cold water; 2 eggs; 1 cup all-purpose flour; Pinch salt; 1 tablespoon sugar; 3 tablespoons unsalted butter, melted, plus more for sauteing the crepes; Cheese Filling, recipe follows; Blueberry Sauce, recipe follows; 1 1/2 cups ricotta cheese; 4 ounces cream cheese; 3 tablespoons confectioners' sugar; 1 lemon, zested and finely grated; 1 egg; 2 tablespoons butter; 2 pints blueberries; 3/4 cup sugar; 1 teaspoon cornstarch; 1 lemon, juiced; Melted unsalted butter, for sauteing blintzes; Confectioners' sugar, for dusting