Green Bean Casserole Galette

Ingredients

• 3 cups all purpose flour plus more for rolling
• 1 1/4 teaspoons kosher salt
• 1 teaspoon granulated sugar
• 1 1/2 sticks unsalted butter chilled and cubed
• 1 large egg beaten
• 1 stick unsalted butter
• 1 sweet onion medium, thinly sliced
• 1 1/2 pounds mixed mushrooms
• 5 garlic cloves thinly sliced
• kosher salt
• freshly ground black pepper
• 1 cup heavy cream
• 2 sprigs fresh thyme plus leaves for garnish
• 1 sprig fresh rosemary
• 1 pound green beans trimmed
• 1 teaspoon lemon zest plus more for garnish
• 1 shallot thinly sliced into rings
• 2 tablespoons all purpose flour
• 1 pinch kosher salt
• vegetable oil for frying

Nutrition

• Calories : 520 calories
• Carbohydrate : 41 grams
• Cholesterol : 120 milligrams
• Fat : 36 grams
• Fiber : 4 grams
• Protein : 9 grams
• SaturatedFat : 21 grams
• Sodium : 440 milligrams
• Sugar : 5 grams