Faith Middleton's Food Schmooze

Ingredients

• 1 recipe Basic Pie Dough (See link in recipe notes below)
• 3 cups sliced strawberries
• 4 cups sliced rhubarb
• 1-1/2 cups sugar plus 2 teaspoons for sprinkling
• 1/2 cup all-purpose flour plus more for rolling out the dough
• 1-1/4 teaspoons Course salt
• 2 tablespoons unsalted butter cut into small pieces
• 1 large egg yolk
• 1 tablespoon milk