Instructions
1. Prepare the Steak
Thinly slice the steak against the grain. If using ground beef, brown it in a pan.
2. Sauté the Vegetables
Heat olive oil in a large skillet over medium-high heat. Add onions and bell peppers; cook until softened (6-8 minutes). Add garlic and cook for 1 minute. Set aside.
3. Cook the Steak
In the same skillet, add steak (or ground beef) and cook until browned (5-7 minutes). Season with salt, pepper, and paprika.
4. Make the Sauce
Add beef broth, heavy cream, Worcestershire sauce, and Dijon mustard (if using) to the skillet. Simmer for 3-5 minutes until thickened. Adjust seasoning.
5. Assemble the Casserole
Preheat oven to 375°F (190°C). Layer cooked steak and vegetables in a 9×13-inch casserole dish. Pour sauce over the top.
6. Add the Cheese
Sprinkle with provolone (and mozzarella, if using) and Parmesan cheese.
7. Bake
Bake for 15-20 minutes, or until cheese is melted and bubbly. Broil for 2-3 minutes for extra browning.
8. Garnish and Serve
Let rest for 5 minutes. Garnish with parsley and serve hot. Enjoy with roasted vegetables or a salad!
Cooking Notes
- Beef Choice: Flank or ribeye are great; 80/20 ground beef works well.
- Vegetables: Add mushrooms, zucchini, or spinach.
- Creamy Sauce: Add cream cheese for a richer sauce.
- Cheese Options: Use mozzarella, cheddar, or smoked gouda.
Variations
- Vegetarian: Substitute steak with sautéed portobello mushrooms or tofu.
- Spicy: Add jalapeños or hot sauce.
- Cauliflower Crust: Use a cauliflower crust for an even lower-carb version.
Keto and Low-Carb Versions
- Use unsweetened broth and sugar-free heavy cream.
- Serve over cauliflower rice.
- Use full-fat cheeses.
Frequently Asked Questions (FAQs)
- Ground beef? Yes, brown it before adding sauce.
- Make ahead? Prepare, refrigerate up to 2 days, then bake (add 5-10 minutes).
- Freeze? Freeze up to 3 months; bake from frozen for 45-50 minutes.
- Serving suggestions? Roasted vegetables, cauliflower rice, salad, steamed broccoli.
- Other cheeses? Mozzarella, cheddar, or a blend of Italian cheeses work well.
Enjoy this delicious and easy Low Carb Philly Cheesesteak Casserole!
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