Easy Steak Casserole
Melt-in-your-mouth tender and delicious steak casserole that doesn’t require much effort! So easy, and with just a few ingredients, you have a very tasty dish! Perfect for busy weeknight dinners because it doesn’t require much preparation. Excellent cold weather food for fall and winter.

It’s that time of year again when we can use our ovens a lot! That means lots of yummy casserole dishes to serve. As the temperatures drop, there’s nothing quite like a warm, comforting casserole to lift your spirits.
When I am craving some beef for dinner but do not fancy going through all the trouble of making an elaborate beef burgundy (though it’s always worth the effort, let me emphasize!) or I simply do not have much time to prepare it – this is my go-to dish – a very simple yet flavorful Steak Casserole. In fact, it’s even better the next day, so you can make this ahead, too.
You can prepare this in a matter of minutes (the only tricky part, if ever, is the cutting up of the steak but a very sharp knife would be tremendously helpful!).
This Easy Steak Casserole is the epitome of comfort food, combining succulent beef with a medley of vegetables in a flavorful sauce. It’s a one-dish wonder that’s both satisfying and easy to prepare, making it an excellent choice for those nights when you want something delicious without spending hours in the kitchen.

This Easy Steak Casserole recipe harnesses the power of slow cooking to transform tough chuck steak into melt-in-your-mouth tender bites. The low and slow cooking process allows the collagen in the meat to break down, resulting in incredibly tender beef that’s infused with the flavors of garlic, wine, and vegetables.
But before you know it, it’s time to sit down and enjoy your delicious meal!

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Ingredients for Easy Steak Casserole
- Chuck Steak – Chuck steak is a tough, flavorful beef cut that becomes wonderfully tender when slow-cooked, providing the primary protein and rich meaty foundation for the casserole.
- Olive Oil and Butter – The combination of olive oil and butter creates a perfect cooking fat that helps brown the meat, prevents sticking, and adds a rich, golden flavor to the dish.
- Garlic – Crushed garlic adds a powerful aromatic base, infusing the entire casserole with a deep, pungent flavor that enhances the meat’s natural taste and provides a robust background note.
- Red Wine – Red wine serves multiple purposes – it tenderizes the meat, creates a rich and complex sauce, adds moisture, and introduces sophisticated depth to the overall flavor profile of the casserole.
- Bell Peppers – Colorful bell peppers contribute sweetness, nutrition, visual appeal, and a fresh vegetable texture that contrasts beautifully with the tender meat and creates a more balanced dish.
- Celery – Chopped celery provides a subtle background flavor, adds nutritional value, introduces a light crunch, and helps create an aromatic vegetable base for the casserole.
- Mushrooms – Button mushrooms bring an earthy umami flavor, add nutritional density, provide textural variety, and complement the beef with their rich, meaty characteristics.
- Seasoned Flour – The seasoned flour coating helps brown the meat, creates a light protective layer, assists in sauce thickening, and adds an initial layer of seasoning to enhance the overall taste.

Step-by-Step Instructions to Make this Easy Steak Casserole
Preheat oven to 325F. Coat the steak with flour seasoned with salt and pepper. Heat the oil in a large frying pan. Melt the butter in it. Sauté the garlic in the pan briefly, just until aromatic, about a minute or less.



Quickly brown the beef strips in butter. Transfer the browned beef tips and garlic to the casserole. Scatter the celery on top.



Pour in the wine. Cover the casserole dish with foil (double the foil) and transfer it to the oven. Bake for about 1 1/2 hours or until the beef is tender. Uncover then add the mushrooms and bell peppers. Continue to cook for another 15-30 minutes until the mushrooms and bell peppers are done.



Serve with rice or mashed potatoes and drizzle all that tasty sauce all over!


Customizing Your Casserole
One of the best things about this recipe is its versatility. Feel free to experiment with different vegetables or even add some root vegetables like carrots or parsnips for extra heartiness. If you’re not a fan of red wine, you can substitute it with beef broth for an equally delicious result.
Serving Suggestions
This Easy Steak Casserole pairs beautifully with a variety of sides. Serve it over a bed of fluffy mashed potatoes to soak up the rich sauce or alongside some crusty bread for dipping. For a lighter option, consider serving it with a crisp green salad or some steamed vegetables.

Tips for the Perfect Steak Casserole
- Choose the right cut: Chuck steak is ideal for this recipe as it becomes tender and flavorful when slow-cooked.
- Don’t skip the browning: Searing the meat before slow cooking adds depth of flavor to the dish.
- Use quality wine: Since the wine is a key component of the sauce, choose a red wine you’d enjoy drinking.
- Let it rest: After cooking, allow the casserole to rest for a few minutes before serving to let the flavors meld.
Frequently Asked Questions (FAQs) About Easy Steak Casserole
Can I make this casserole in a slow cooker?
Absolutely! Brown the meat and sauté the garlic as directed, then transfer everything to a slow cooker. Cook on low for 6-8 hours or on high for 4-6 hours.
Can I freeze this casserole?
Yes, this Easy Steak Casserole freezes well. Cool it completely, then store it in an airtight container for up to 3 months. Thaw overnight in the refrigerator before reheating.
What can I use instead of red wine?
A: If you prefer not to use wine, substitute with an equal amount of beef broth or stock.
How can I thicken the sauce if it’s too thin?
If your sauce is too thin, mix a tablespoon of cornstarch with a little cold water and stir it into the casserole. Let it simmer for a few minutes to thicken.
This Easy Steak Casserole is the perfect solution for those seeking a comforting, flavorful meal without the fuss. Its simplicity and delicious results make it an ideal choice for both weeknight dinners and special occasions. So why not give it a try? Your taste buds will thank you, and you might just discover your new favorite comfort food recipe.


Easy Steak Casserole
Ingredients
- 2 Tablespoons olive oil plus 1 Tablespoon Butter
- 6 cloves garlic. crushed
- 2.2 pounds chuck steak, cut into thin strips (or bite-size cubes)
- 3 Tablespoons flour seasoned with salt, I use about 1 1/2 teaspoons and pepper, or adjust to taste
- 3 celery sticks, chopped diagonally
- 1 cup red wine (use something you would drink for good flavor)
- 2 bell peppers, red and green, cut into strips
- 8 oz button mushrooms, washed and sliced
Instructions
- Preheat oven to 325F.
- Coat the steak with flour seasoned with salt and pepper.
- Heat the oil in a large frying pan. Melt the butter in it. Sauté the garlic in the pan briefly, just until aromatic, about a minute or less.
- Quickly brown the beef strips in butter.
- Transfer the browned beef tips and garlic to the casserole. Scatter the celery on top. Pour in the wine.
- Cover the casserole dish with foil (double the foil) and transfer it to the oven. Bake for about 2 hours or until the beef is tender.
- Uncover then add the mushrooms and bell peppers. Continue to cook for another 15-30 minutes until the mushrooms and bell peppers are done.
- Serve with rice or mashed potatoes! Beef heaven!
Nutrition
Last updated on February 6th, 2025 at 12:45 pm
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