Lemon and Watermelon Pie

Name: Lemon and Watermelon Pie
Prep time: 45 min
Cook time: 15 min
Total time: 1 h
Cuisine: American
Ingredients: 1 stick unsalted butter, soft; 2/3 cup [brand:name] Confectioners Powdered Sugar; 1 large egg; 1/2 teaspoon salt; 1 teaspoon vanilla extract; 1 3/4 cups all-purpose flour*; 1/2 cup lemon juice; 1 cup minus 2 tablespoons [brand:name] Extra Fine Granulated Sugar; 3 large eggs; 1 1/2 sticks unsalted butter, very soft; 4 cups watermelon in small cubes; 4 tablespoon [brand:name] Extra Fine Granulated Sugar; 4 teaspoon gelatin; 3 tablespoons water; 1/2 cup whipping cream; 1 tablespoon [brand:name] Extra Fine Granulated Sugar; Few mint leaves