Green Bean Casserole Recipe

Ingredients For Green Bean Casserole Recipe

• 2 Medium yellow onions, thinly sliced
• 4 teaspoon Extra virgin olive oil
• 0.5 cup All purpose flour
• 2 tablespoon Panko breadcrumbs, plus more for sprinkling
• 0.5 teaspoon Salt
• 1.5 pound Green beans, trimmed and halved
• 2 tablespoon Extra virgin olive oil
• 16 ounce Cremini Mushrooms, Sliced
• 2 tablespoon Tamari
• 4 Garlic Cloves, Minced
• 2 tablespoon Fresh thyme leaves
• 0.25 cup All purpose flour
• 3 cup Unsweetened almond milk
• 1.5 teaspoon Dijon mustard
• 0.5 cup Grated parmesan cheese, plus more for sprinkling