Step 1 of 7
French Onion Beef Casserole
Preheat the oven to 375°F.
Step 2 of 7
French Onion Beef Casserole
In a baking dish, whisk together the cream of mushroom soup, French onion soup, sour cream, mayonnaise, garlic powder, salt, and black pepper until smooth.
Step 3 of 7
French Onion Beef Casserole
Add the egg noodles and ground beef and fold with a rubber spatula until well combined.
Step 4 of 7
French Onion Beef Casserole
Sprinkle top of casserole with the french-fried onions.
Step 5 of 7
French Onion Beef Casserole
Bake the casserole on middle rack of oven until it is bubbling and heated through, 20-25 minutes.
Step 6 of 7
French Onion Beef Casserole
Check to see that casserole is done. Remove from oven or add time as needed.
Step 7 of 7
French Onion Beef Casserole
Allow the casserole to cool for 5-10 minutes before serving.