Our Ohio Recipe: Fancy Green Bean Casserole

Ingredients

• 2 1/2 pounds fresh green beans, trimmed
• 8 tablespoons unsalted butter, divided
• 2 cups sliced crimini mushrooms
• 1/4 cup finely chopped shallots
• 4 cloves garlic, minced
• 1/2 cup all-purpose flour
• 1 cup chicken stock
• 2 cups milk
• 2/3 cup grated Parmesan cheese
• 1 tablespoon minced fresh rosemary
• 1 tablespoon minced fresh thyme
• salt and pepper, to taste
• 1 1 package crispy onions or garlic pepper crispy onions