Ingredients
- 2 pounds beef stew meat, cut into 1- to 1½-inch cubes
- 2 (10.5-ounce) cans condensed cream of mushroom soup
- 1 (1-ounce) packet dry onion soup mix
- 1/2 cup water
Step-by-Step Instructions
1. Preheat the Oven
Preheat your oven to 300°F (150°C).
Lightly grease a 9×13-inch glass casserole dish with cooking spray or a little oil to prevent sticking.
2. Arrange the Beef
Spread the raw beef stew meat evenly across the bottom of the casserole dish.
Break apart any pieces that are stuck together so the beef cooks evenly.
3. Mix the Sauce
In a medium bowl, whisk together:
- Cream of mushroom soup
- Dry onion soup mix
- Water
Mix until mostly smooth so the flavors are evenly combined.
4. Pour Over the Beef
Pour the creamy mushroom mixture evenly over the raw beef.
Use a spoon or spatula to gently spread the sauce so all the meat is coated.
5. Cover and Bake
Cover the casserole dish tightly with aluminum foil to trap moisture.
Bake for 2½ to 3 hours, until the beef becomes very tender and the sauce thickens into a creamy gravy.
Try not to remove the foil during baking, as this releases steam and can slow the cooking process.
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