This old-fashioned oven baked 3-ingredient beef Kensington is the kind of practical family supper that earned a permanent place in mid-century recipe boxes. With just a few pantry-and-refrigerator staples, it turns ground beef into a savory, comforting bake with plenty of browned edges and rich flavor. Recipes like this became popular because they were affordable, dependable, and easy to get on the table, and that same simplicity still makes them worth revisiting today.
Serve this beef bake with mashed potatoes, buttered noodles, rice, or thick slices of toast to soak up the savory juices. For balance, add a crisp green salad, steamed green beans, peas, or glazed carrots. If you want to keep the meal true to its vintage comfort-food roots, a simple gelatin salad or cottage cheese on the side feels right at home.
Oven Baked 3-Ingredient Beef Kensington
Servings: 4 to 6
Ingredients
1 1/2 pounds ground beef
1 can condensed cream of mushroom soup, undiluted
1 cup sour cream
Directions
1. Preheat the oven to 350°F and lightly grease a medium glass baking dish.
2. In a large skillet over medium heat, cook the ground beef until it is fully browned, breaking it up with a spoon as it cooks. Drain off excess fat.
3. Stir the condensed cream of mushroom soup and sour cream into the cooked beef until evenly combined and heated through.
4. Spoon the mixture into the prepared baking dish and spread it into an even layer.
5. Bake uncovered for 25 to 30 minutes, until hot and bubbling around the edges and lightly browned on top. Let stand for 5 minutes before serving.
Variations & Tips
Make It Oniony: If you want a little more depth, sauté 1/2 cup finely chopped onion with the beef before draining. It keeps the spirit of the original recipe while adding sweetness and aroma.
Use a Different Soup: Cream of celery or cream of chicken can stand in for cream of mushroom if that is what you have on hand. The texture stays much the same, though the flavor will shift slightly.
Add a Topping: A scattering of buttered bread crumbs or crushed crackers over the top before baking will give the casserole a bit more crunch and color.
Drain Well: Because the recipe is so simple, draining the beef thoroughly is important. Too much grease can make the finished dish heavy and prevent the top from browning nicely.
Make It Ahead: You can prepare the beef and sauce mixture a day in advance, refrigerate it in the baking dish, and bake it when needed. Add a few extra minutes to the baking time if it is going into the oven cold.