Big Mac Casserole
So you know how sometimes you’re craving that classic Big Mac taste but don’t feel like hitting the drive-thru? Well, I took all those iconic flavors—the seasoned beef, special sauce, pickles, onions, and even that middle bun layer—and turned them into a ridiculously satisfying casserole. It’s basically the fast food classic deconstructed into a warm, gooey, crowd-pleasing dish that tastes eerily like the real thing. My kids go absolutely nuts for this, and honestly? It’s become our guilty pleasure Sunday night dinner.
Why You’ll Love This Recipe
- Easy to Prepare: This Big Mac Casserole comes together in a snap, making it perfect for busy weeknights.
- Family-Friendly: Packed with flavors that kids love; it’s sure to be a hit at the dinner table.
- Versatile: Serve it as a hearty dinner or take it to potlucks; it’s suitable for any occasion.
- Comfort Food: The warm and cheesy goodness will satisfy your cravings for classic fast food.
- Meal Prep Friendly: Make it ahead of time and enjoy leftovers throughout the week.
Tools and Preparation
Before diving into the cooking process, gather your tools. Having everything ready makes following the recipe smoother and more enjoyable.
Essential Tools and Equipment
- Cast iron skillet or large oven-safe baking dish
- Mixing bowls
- Measuring cups and spoons
- Wooden spoon or spatula
Importance of Each Tool
- Cast iron skillet or large oven-safe baking dish: Ideal for even cooking and easy serving right from the oven.
- Mixing bowls: Perfect for combining ingredients without any mess.
- Measuring cups and spoons: Ensures you get the proportions just right for that authentic flavor.
- Wooden spoon or spatula: Great for mixing ingredients thoroughly without scratching your cookware.

Ingredients
- 2 lbs ground beef (I use 80/20 for that authentic fast food flavor)
- 1 medium onion, finely diced (about 1 cup)
- 3 cloves garlic, minced (or more, I won’t judge)
- 2 tablespoons Worcestershire sauce
- 1 tablespoon yellow mustard
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 6 chicken hamburger buns, torn into bite-sized pieces (stale ones actually work better!)
- 2 tablespoons butter, melted
- 1 teaspoon sesame seeds
- 1/2 teaspoon garlic powder
- 1 cup mayonnaise (full fat is best here)
- 1/4 cup ketchup
- 2 tablespoons sweet pickle relish (the secret ingredient!)
- 1 tablespoon yellow mustard
- 1 tablespoon white vinegar
- 1 teaspoon sugar
- 1 teaspoon paprika
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 2 cups shredded cheddar cheese (the orange kind for that classic look)
- 1 cup shredded lettuce
- 1/2 cup dill pickles, chopped
- 1/4 cup diced onion
- 8 slices American cheese (yes, the plastic-wrapped kind)
How to Make Big Mac Casserole
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). This ensures your casserole cooks evenly.
Step 2: Cook the Beef Mixture
In a large skillet over medium heat:
* Add the ground beef and cook until browned.
* Drain excess fat if necessary.
* Stir in diced onion, minced garlic, Worcestershire sauce, yellow mustard, salt, black pepper, garlic powder, and onion powder. Cook until onions are soft.
Step 3: Prepare the Bun Layer
In a separate bowl:
* Combine torn hamburger buns with melted butter and sesame seeds.
* Mix well until buns are coated.
Step 4: Assemble the Casserole
In your cast iron skillet or baking dish:
* Spread half of the bun mixture on the bottom.
* Layer half of the beef mixture over the buns.
* Spread mayonnaise, ketchup, sweet pickle relish, yellow mustard, white vinegar, sugar, paprika, garlic powder, and onion powder across this layer.
* Top with shredded cheddar cheese followed by another layer of beef mixture.
Step 5: Final Toppings
Finish off with:
* The remaining bun mixture on top.
* Add American cheese slices on top of everything.
Step 6: Bake
Cover with foil and bake for about 30 minutes, then remove foil and bake an additional 10–15 minutes until bubbly and golden brown.
Let cool slightly before serving. Enjoy your delicious Big Mac Casserole!
How to Serve Big Mac Casserole
Big Mac Casserole is a delightful dish that brings the flavors of the classic burger into a cozy casserole form. Here are some fun serving suggestions to enhance your meal experience.
With Fresh Salad
- A crisp green salad pairs wonderfully with the rich casserole. Consider mixing arugula, cherry tomatoes, and cucumbers with a light vinaigrette for a refreshing contrast.
On a Bed of Lettuce
- Serve individual portions on a bed of shredded lettuce for added crunch. This classic fast-food touch highlights the Big Mac flavors while keeping it light.
Topped with Extra Pickles
- For pickle lovers, add extra chopped dill pickles on top just before serving. It amplifies that tangy flavor reminiscent of the original burger.
Side of Fries
- Offer crispy oven-baked fries or sweet potato fries alongside the casserole. This classic pairing enhances the fast-food vibe at home.
With Garlic Bread
- Serve slices of buttery garlic bread on the side. The rich flavors complement the casserole perfectly and provide an excellent way to soak up any remaining sauce.
How to Perfect Big Mac Casserole
Creating the ultimate Big Mac Casserole involves a few key techniques. Here are some tips to ensure your dish turns out perfectly every time.
- Use Stale Buns: Stale hamburger buns absorb moisture better, preventing the casserole from getting soggy and enhancing flavor.
- Brown the Beef Well: Take time to brown your ground beef thoroughly. This adds depth and richness to your casserole.
- Layer Flavors: Add ingredients in layers rather than all at once. This technique ensures that every bite has a balanced taste.
- Let it Rest: Allowing the casserole to sit for about 10 minutes after baking helps it set up nicely, making serving easier.
- Experiment with Cheese: While cheddar is classic, mixing in different cheeses like Monterey Jack or pepper jack can elevate flavors and add creaminess.
Best Side Dishes for Big Mac Casserole
To round out your meal featuring Big Mac Casserole, consider these delicious side dishes that complement its rich flavors beautifully.
- Coleslaw: A creamy coleslaw provides crunch and acidity, balancing out the heaviness of the casserole.
- Potato Wedges: Crispy potato wedges seasoned with herbs make for a satisfying side, perfect for dipping in ketchup.
- Corn on the Cob: Sweet corn pairs well with savory dishes; grill or boil it for a delightful addition.
- Roasted Vegetables: A medley of roasted carrots, zucchini, and bell peppers adds color and nutrition to your plate.
- Baked Beans: Sweet and savory baked beans create a comforting combination that echoes backyard barbecues.
- Fruit Salad: For something light, serve a fresh fruit salad with seasonal fruits to cleanse the palate after each rich bite.
Common Mistakes to Avoid
Avoiding common pitfalls can make your Big Mac Casserole even better. Here are some mistakes to watch out for:
- Using fresh buns: Stale buns absorb moisture better, creating the right texture in your casserole. If possible, use day-old buns for optimal results.
- Skipping the seasoning: The flavor comes from the seasoning blend. Don’t skip or skimp on ingredients like Worcestershire sauce, mustard, or garlic powder.
- Overcooking the beef: Cook your ground beef just until browned. Overcooking can lead to a dry casserole. Aim for juicy and flavorful meat.
- Not letting it rest: Allow the casserole to sit for about 10 minutes after baking. This helps it set up nicely and makes serving easier.
- Ignoring cheese variety: Using different cheese types can elevate flavor. Don’t stick solely to cheddar; experiment with blends for a unique twist.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Big Mac Casserole in an airtight container.
- It will keep well in the fridge for up to 3 days.
Freezing Big Mac Casserole
- Wrap the casserole tightly with plastic wrap and then foil before freezing.
- It can be frozen for up to 3 months for best taste.
Reheating Big Mac Casserole
- Oven: Preheat to 350°F (175°C). Cover with foil and heat for about 20-25 minutes, until warmed through.
- Microwave: Place a portion in a microwave-safe dish, cover, and heat on high for 2-3 minutes or until hot.
- Stovetop: Heat in a skillet over medium heat, stirring occasionally until warmed through.
Frequently Asked Questions
Here are some common questions about making Big Mac Casserole:
How can I make my Big Mac Casserole healthier?
You can use leaner ground beef or substitute with turkey for a lighter version. Adding more vegetables like bell peppers or mushrooms is also an excellent way to boost nutrition.
Can I customize the toppings?
Absolutely! Feel free to add toppings like chopped tomatoes or avocados. You can even switch up the cheese varieties based on your preferences.
How do I reheat leftovers?
Refer to the reheating instructions above for the best methods to enjoy your leftover Big Mac Casserole while keeping it delicious.
Can I make this dish vegetarian?
Yes! Replace the ground beef with plant-based crumbles and adjust seasonings accordingly for an amazing vegetarian option.
What is the best way to serve Big Mac Casserole?
Serve this delightful casserole with shredded lettuce and additional pickles on top for that authentic Big Mac experience!
Final Thoughts
The Big Mac Casserole is a fun and versatile dish that captures all the classic flavors of its fast-food counterpart. It’s perfect for family dinners or meal prep throughout the week. Don’t hesitate to customize it according to your tastes—there’s always room for creativity!
Big Mac Casserole
Get ready to indulge in the warm, cheesy goodness of a Big Mac Casserole! This easy-to-make dish brings all the iconic flavors of the beloved fast-food classic into a hearty casserole that your whole family will love. With layers of seasoned ground beef, savory sauces, and creamy cheese, this casserole is perfect for busy weeknights or casual weekend dinners. It’s a satisfying meal that melds comfort food with convenience, making it an instant favorite at your dining table. Plus, it’s versatile enough to serve at potlucks or as a cozy family meal. Embrace the nostalgia and enjoy every bite!
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 5 minutes
- Yield: Serves approximately 6 people 1x
- Category: Main
- Method: Baking
- Cuisine: American
Ingredients
- 2 lbs ground beef
- 1 medium onion
- 3 cloves garlic
- 6 chicken hamburger buns
- 1 cup mayonnaise
- 2 cups shredded cheddar cheese
- 1/2 cup dill pickles, chopped
- 2 tablespoons Worcestershire sauce
- 1 tablespoon yellow mustard
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 2 tablespoons butter, melted
- 1 teaspoon sesame seeds
- 1/4 cup ketchup
- 2 tablespoons sweet pickle relish
- 1 tablespoon white vinegar
- 1 teaspoon sugar
- 1 teaspoon paprika
- 8 slices American cheese
Instructions
- Preheat your oven to 350°F (175°C).
- In a skillet over medium heat, brown the ground beef with diced onion and minced garlic. Drain any excess fat.
- Stir in Worcestershire sauce, mustard, salt, pepper, garlic powder, and onion powder until onions are soft.
- In a bowl, combine torn hamburger buns with melted butter and sesame seeds; mix well.
- In a baking dish, layer half of the bun mixture followed by half of the beef mixture. Spread mayo, ketchup, relish, mustard, vinegar, sugar, paprika, and garlic powder over the top.
- Add shredded cheddar cheese and another layer of beef mixture.
- Top with remaining bun mixture and American cheese slices.
- Cover with foil and bake for 30 minutes; remove foil and bake for an additional 10–15 minutes until golden brown.
Nutrition
- Serving Size: 1 slice (about 240g)
- Calories: 660
- Sugar: 6g
- Sodium: 800mg
- Fat: 38g
- Saturated Fat: 18g
- Unsaturated Fat: 20g
- Trans Fat: 0g
- Carbohydrates: 46g
- Fiber: 2g
- Protein: 31g
- Cholesterol: 120mg