Green Bean Casserole Recipe

Ingredients For Green Bean Casserole Recipe

• For the onions
• 2 Medium to large yellow onions, thinly sliced
• 1 tablespoon Olive oil
• 0.5 cup All purpose flour
• 0.5 cup Panko breadcrumbs
• 0.5 teaspoon Garlic powder
• 0.5 teaspoon Salt
• For the green beans
• 2 pound Fresh green beans, trimmed
• For the mushrooms
• 2 tablespoon Butter, divided
• 1 pound Sliced baby bella mushrooms
• 1 teaspoon Fresh thyme
• Salt and pepper
• For the sauce
• 2 tablespoon Butter
• 0.33000000000000007 cup All purpose flour
• 2 cup Low sodium chicken broth
• 3 Cloves garlic, minced
• 0.5 cup Grated parmesan cheese
• As required Freshly ground salt and pepper, to taste