Make the Green Bean Casserole: Mix green beans, condensed cream of mushroom soup, milk, and half of the fried onions in a medium casserole dish.
10.6 oz Green Beans, 1 can Condensed Cream of Mushroom Soup, 3 oz French Fried Onions, 3/4 cup Whole Milk
Preheat and Start Cooking: Set the oven to Roast mode at 175°C, preheat ON, and cooking time 20 minutes. Press the "Start Cooking" button to start preheating. Once preheated, place the green bean casserole on a roasting pan and insert it into Level 2.
Add Toppings: Using oven gloves, carefully remove the green bean casserole from the oven. Sprinkle shredded cheese and the remaining fried onions evenly over the top.
1/2 cup Mozzarella Cheese, grated, 3 oz French Fried Onions
Cook it Again: Set the oven to Roast mode at 175°C, preheat ON, and cooking time 5 minutes. Return the casserole to the oven and bake until the topping is golden and crispy.
Remove the Green Bean Casserole from Oven: Using oven gloves, carefully remove the green bean casserole from the oven.