Best Green Bean Casserole Recipe Aunt Mildred Approved

Ingredients

• 2 large yellow onions, thinly sliced (US: about 1 lb, Metric: about 450g)
• 1 cup all-purpose flour (US: 4 ¼ oz, Metric: 120g)
• 1 teaspoon smoked paprika
• ½ teaspoon garlic powder
• ½ teaspoon onion powder
• Salt and freshly ground black pepper to taste
• Vegetable oil or canola oil, for frying (about 3 cups/700ml)
• 2 pounds fresh green beans, trimmed (US: 2 lb, Metric: 900g)
• 2 tablespoons olive oil (US: 2 tbsp, Metric: 30ml)
• 1 pound cremini mushrooms, sliced (US: 1 lb, Metric: 450g)
• 4 cloves garlic, minced
• 4 tablespoons unsalted butter (US: ½ stick, Metric: 60g)
• ¼ cup all-purpose flour (US: 1oz, Metric: 30g)
• 3 cups chicken or vegetable broth (US: 24 fl oz, Metric: 700ml)
• 1 cup heavy cream (US: 8 fl oz, Metric: 240ml)
• 2 tablespoons soy sauce or tamari
• ½ teaspoon freshly grated nutmeg