Thomcord Grape Sheet Tart

Ingredients

• 680 grams (1 ½ pounds) Thomcord or Concord grapes (see note below)
• 140 grams (⅔ cup) granulated sugar
• 2 ½ tablespoons cornstarch
• 1 teaspoon fine sea salt
• 1 tablespoon fresh lemon juice
• ¼ teaspoon pure vanilla extract
• Basic Pie Pastry Dough (see recipe below)
• 3 tablespoons heavy cream
• Flaky sea salt
• 68 grams (½ cup) powdered sugar
• 2 tablespoons whole milk
• 15 drops liquid blue food coloring (optional)
• 10 drops liquid red food coloring (optional)
• White pearl sugar, dragées or other decorating sugars

Basic Pie Pastry Dough

• • • 390 grams (2 ¾ cups) all-purpose flour, plus more for rolling and dusting
    • 2 tablespoons granulated sugar
    • 1 teaspoon fine sea salt
    • 226 grams (1 cup) unsalted butter, cut into ½-inch cubes and chilled
    • ⅔ cup ice-cold water

Get Directions Here

https://www.latimes.com/recipe/thomcord-grape-sheet-tart