Cheesy Heirloom Tomato and Herb Pie Recipe - Swans Down

Ingredients

• PIE CRUST
• 2 1/4 cups Swans Down®️ Cake Flour
• 1 1/2 teaspoons salt, divided
• 9 tablespoons cold unsalted butter, cubed
• 1 large egg yolk
• 1 teaspoon apple cider vinegar
• 4 tablespoons ice-cold water
• FILLING
• 2 1/4 pounds assorted heirloom tomatoes, sliced 1/4-inch-thick, seeds removed
• 1 1/2 cups shredded extra-sharp white Cheddar cheese
• 2/3 cup mayonnaise
• 1/2 cup shredded Parmesan cheese
• 1 large egg, lightly beaten
• 1/3 cup chopped fresh basil
• 2 tablespoons chopped fresh oregano
• 2 tablespoons Dijon mustard
• 1/4 teaspoon ground black pepper
• 1 cup finely chopped red onion
• Fresh oregano leaves, fresh basil leaves and ground black pepper, for garnish