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1. **Prepare the Steak and Vegetables:**
– In a large skillet, heat the olive oil over medium-high heat. Add the thinly sliced ribeye steak and cook until browned on both sides, about 3-4 minutes. Remove the steak from the skillet and set it aside.
– In the same skillet, add the onions, bell pepper (if using), and garlic. Sauté for 3-4 minutes, until softened and fragrant. Season with a pinch of salt and pepper.
2. **Assemble the Casserole in the Crockpot:**
– Layer half of the sliced potatoes in the bottom of your Crockpot. Top with half of the sautéed onions and bell peppers. Add half of the cooked steak on top of the vegetables. Season with a little salt, pepper, oregano, and thyme.
– Repeat the layers with the remaining potatoes, onions, bell peppers, and steak. Pour the beef broth and Worcestershire sauce over the entire mixture, making sure everything is evenly distributed.
4. **Add the Cheese:**
– About 30 minutes before serving, sprinkle the shredded provolone cheese (and cheddar, if using) over the top of the casserole. Cover again and let the cheese melt, becoming gooey and delicious.
5. **Serve and Garnish:**
– Once the cheese is melted and bubbly, garnish the casserole with fresh parsley for a pop of color and freshness. Serve hot and enjoy the creamy, cheesy, and flavorful goodness.
### The Verdict: Comfort Food at Its Best
Whether you’re making it for a family dinner, a special occasion, or just a cozy meal at home, this casserole is sure to become a favorite. So, grab your Crockpot, gather your ingredients, and enjoy a simple yet indulgent meal that will leave everyone asking for seconds.