Deep Dish Spinach and Prosciutto Quiche with Toasted Sesame Crust

Bahan-bahan (6 porsi)

• 2 cups all-purpose flour (use a gluten free blend if needed)
• 1 teaspoon salt
• 8 tablespoons unsalted cold butter (diced, 1 stick)
• 1 egg (beaten)
• 1/4 cup cold buttermilk or water
• 1/4 cup sesame seeds (toasted)
• 1 tablespoon butter or olive oil
• 1 small onion (finely diced)
• 1/2 cup oil-packed sun-dried tomatoes (sliced)
• 12 ounces fresh or frozen spinach (defrosted and squeezed dry if frozen)
• 1/2 teaspoon dried thyme
• 1 teaspoon dried dill
• pinch of salt and pepper
• 1 cup havarti cheese (shredded)
• 3/4 cup sharp cheddar cheese (shredded)
• 1/2 cup gruyere cheese (shredded)
• 6 eggs
• 2 cup plain greek yogurt
• 1 cup milk
• 1/8 teaspoon nutmeg
• 3 -4 ounces thinly sliced prosciutto
• fresh thyme and flakey sea salt (for garnish)