Instructions
Step 1: Sizzling Steak
Preheat your oven to 375°F (190°C). In a large skillet, heat olive oil over medium-high heat. Add the thinly sliced steak and cook until nicely browned. Set aside.
Step 2: Savory Veggies
In the same skillet, sauté the onions, bell peppers, mushrooms, and garlic until tender and slightly caramelized. Season with salt and pepper.
Step 3: Layer It Up!
Grease a 9×13-inch baking dish. Spread half the veggies on the bottom. Layer with the steak, then half the shredded provolone. Repeat layers.
Step 4: Creamy Topping
In a bowl, whisk together the flour, melted butter, beef broth, Worcestershire sauce, and salt. Pour evenly over the casserole.
Step 5: Bake & Enjoy!
Bake for 25-30 minutes, or until golden brown and bubbly. Let cool slightly before serving.
Variations
Make it your own!
- Use sirloin or flank steak.
- Experiment with cheddar, mozzarella, or your favorite cheese.
- Add some heat with jalapenos or red pepper flakes.
- For a low-carb option, use almond flour and melted butter for the topping.
Tips for Success
- Thinly slice the steak for even cooking.
- Don’t overcook the veggies; they’ll continue cooking in the oven.
- Let it rest a few minutes before serving for the best flavor.
- Leftovers are great for up to 3 days in the fridge!
Frequently Asked Questions
Can I use different meat?
Yes! Sirloin, flank steak, or even chicken work well.
Can I make it ahead?
Yes, assemble it and refrigerate until ready to bake. Add a few minutes to the baking time.
Can I freeze leftovers?
Absolutely! Store in an airtight container or freezer bag.
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