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**Step 1: Cook the Ground Beef**
1. Preheat your oven to 400°F (200°C).
2. In a large skillet, cook the ground beef over medium heat, breaking it apart with a spoon. Cook for about 5-7 minutes, until the beef is browned and cooked through.
3. Add the chopped onion to the beef and cook for another 3-4 minutes, until the onion is softened.
4. Season the beef mixture with Worcestershire sauce, garlic powder, onion powder, salt, and black pepper. Stir well to combine and cook for an additional 2 minutes.
**Step 2: Prepare the Casserole Mixture**
1. Stir in the can of cream of mushroom soup, ketchup, and mustard to the beef mixture. Mix everything until fully combined and heated through.
2. Remove from heat and set aside.
**Step 4: Bake the Casserole**
1. Place the casserole in the preheated oven and bake for about 25-30 minutes, or until the tater tots are golden brown and crispy.
2. Once the tater tots are cooked, remove the casserole from the oven and sprinkle the shredded cheddar and American cheese evenly over the top. Return to the oven for an additional 5-7 minutes, or until the cheese is melted and bubbly.
**Step 5: Garnish and Serve**
1. After the casserole is done baking, remove it from the oven and let it cool for a few minutes.
2. Top the casserole with chopped dill pickles and shredded lettuce for that true Big Mac experience. You can also add some sliced onions for an extra bite.
3. Serve and enjoy!
– **Customize the Meat**: If you want a leaner option, swap the ground beef for ground turkey or chicken. The flavor will still be delicious, but with fewer calories.
– **Make it Spicy**: If you like a little heat, consider adding some chopped jalapeños or hot sauce to the beef mixture for a spicy kick.
– **Meal Prep**: This casserole is perfect for making ahead. Assemble it the night before and refrigerate until you’re ready to bake it. It also reheats well, making it great for leftovers.
### Conclusion
So go ahead, give this Big Mac-inspired casserole a try! It’s sure to become a new go-to in your recipe collection, loved by both kids and adults alike.