Strawberry Rhubarb Delight Pie | Chopped

Ingredients

• 2 refrigerated pie crusts, for a double-crust 9-inch pie
• 2 1/2 cups fresh rhubarb, chopped into 1/2-inch pieces
• 2 1/2 cups fresh strawberries, hulled and sliced
• 1 1/4 cups granulated sugar
• 1/3 cup cornstarch
• 1/4 teaspoon salt
• 1 teaspoon orange zest
• 1 tablespoon lemon juice
• 1 tablespoon unsalted butter, cut into small pieces
• 1 egg, beaten, for egg wash
• 1 tablespoon coarse sugar, for sprinkling