Butternut Squash, Spinach & Gruyere Galette Recipe - (5/5)

Ingredients

• INGREDIENTS
• Dough
• 1 1/4 cups (6 1/4 ounces) all-purpose flour
• 1/2 cup (2 3/4 ounces) whole-wheat flour
• 1 tablespoon sugar
• 3/4 teaspoon salt
• 10 tablespoons unsalted butter , cut into 1/2-inch pieces and chilled
• 7 tablespoons ice water
• 1 teaspoon white vinegar
• Filling
• 6 ounces baby spinach
• 1 1/4 pounds butternut squash , peeled and cut into 1/2-inch cubes
• 5 teaspoons olive oil
• 1 red onion , sliced thin
• 1/2 teaspoon minced fresh oregano
• 3 ounces gruyère cheese , shredded (3/4 cup)
• 2 tablespoons crème fraîche
• 1 teaspoon sherry vinegar
• Salt and pepper
• 1 large egg , lightly beaten
• Kosher salt
• 2 tablespoons minced fresh parsley
• America’s Test Kitche