This Creamy Beef & Mushroom Casserole is a rich, comforting, and budget-friendly meal that’s perfect for busy nights. Made with seasoned ground beef, a creamy mushroom sauce, and simple pantry ingredients, this dish comes together quickly and bakes into a hearty, satisfying dinner.
It’s the kind of classic casserole that’s warm, filling, and guaranteed to please the whole family.
Ingredients
- 1½ pounds ground beef (80–85% lean)
- 1 can (10.5 oz) cream of mushroom soup
- 1/2 cup whole milk (or 2% milk)
- 1 packet (about 1 oz) dry onion soup mix
How To Make Creamy Beef & Mushroom Casserole
Step 1: Preheat the Oven
Preheat your oven to 175°C (350°F). Lightly grease a 9×13-inch baking dish or spray with nonstick cooking spray.
Step 2: Cook the Beef
In a skillet over medium heat, cook the ground beef until browned. Drain excess fat if needed.
Step 3: Prepare the Sauce
In a bowl, mix together the cream of mushroom soup, milk, and dry onion soup mix until smooth.
Step 4: Combine
Add the cooked beef to the sauce and stir until everything is well coated.
Step 5: Bake
Transfer the mixture to the prepared baking dish and spread evenly. Bake for 25–30 minutes until hot and bubbly.
Step 6: Serve
Let it rest for a few minutes before serving.
Who Is This Recipe For?
This recipe is perfect for:
- Busy families needing a quick, hearty dinner
- Beginners looking for an easy casserole recipe
- Anyone craving classic comfort food
- Meal preppers wanting simple leftovers
Why It’s Great
- ✔ Only a few ingredients needed
- ✔ Creamy, savory, and filling
- ✔ Quick prep and easy cleanup
- ✔ Budget-friendly meal
- ✔ Great for leftovers
Kitchen Equipment Needed
- Skillet
- Mixing bowl
- 9×13-inch baking dish
- Spoon or spatula
Storage
- Refrigerator: Store in an airtight container for up to 4 days
- Freezer: Freeze for up to 2 months
- Reheating: Warm in the oven or microwave until heated through
FAQ
Can I add pasta or rice?
Yes! Cooked pasta or rice can be mixed in to make it a complete meal.
Can I add vegetables?
Absolutely. Mushrooms, peas, or green beans work well.
Can I use ground turkey instead?
Yes, ground turkey is a great lean alternative.
How can I make it cheesier?
Add shredded cheese on top before baking for a melty finish.
Conclusion
This Creamy Beef & Mushroom Casserole is a simple, comforting dish that’s perfect for any night of the week. With its rich flavor and easy preparation, it’s a recipe you’ll find yourself making again and again.

