Luxe Lemon Tart

Name: Lemon Tart
Yield: 0
Cuisine: american
Ingredients: 2 ¼ tablespoons butter; ⅔ cup sugar; 5 egg yolks; 1 ounce water; Juice of 4 lemons; 1 tablespoon cornstarch; 1 cup tart dough; Blueberries; Raspberries; Mint; ¾ cup sugar; 4 teaspoons water; 5 egg whites; 2 tablespoons sugar