Cancel Your Dinner Plans and Make This Tomato & Asiago Galette Instead

Ingredients

• 1½ sticks unsalted butter
• 3 cups all-purpose flour
• 1 teaspoon sea salt
• ⅓ cup cold vegetable shortening
• ¾ cup ice water
• 8 ounces asiago cheese (grated)
• ½ sweet onion (sliced)
• 1 tablespoon dried thyme
• 6 medium tomatoes (about 2 pounds, sliced)
• Freshly ground black pepper (to taste)
• 1 egg (beaten)
• 2 tablespoons chopped chives
• Flaky salt (to garnish)