Big Mac Casserole
If you’re looking for a quick and comforting meal that brings smiles all around, let me introduce you to my Big Mac Casserole! This dish is perfect for busy weeknights or family gatherings. It takes all the crave-worthy elements of that iconic fast-food burger and turns them into a hearty casserole. Trust me, once you try it, you’ll understand why it’s become one of our go-to family favorites. The warm layers of seasoned beef, gooey cheese, and that signature special sauce will have everyone coming back for seconds—and maybe even thirds!
Why You’ll Love This Recipe
- Easy to Make: With simple steps and minimal prep time, this casserole comes together quickly, making it perfect for those nights when you’re short on time.
- Family-Friendly: It’s a hit with kids and adults alike! The familiar flavors are sure to please even the pickiest eaters at your table.
- Make-Ahead Convenience: You can assemble this casserole in advance and just pop it in the oven when you’re ready to eat. Perfect for meal prep!
- Ultimate Comfort Food: The warm, cheesy goodness layered with seasoned beef is like a big hug in a dish—ideal for cozy family dinners.

Ingredients You’ll Need
Let’s gather some simple, wholesome ingredients that make this Big Mac Casserole so delicious! Most of these items are likely already in your pantry or fridge, making this recipe even more convenient.
For the Casserole
- 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
For the Special Sauce
- 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
For the Toppings
- 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)
Variations
One of the best things about this recipe is its flexibility! Feel free to get creative based on what you have on hand or your family’s preferences.
- Swap the protein: Try using ground turkey or chicken instead of beef for a lighter version.
- Add some spice: If you’re into a little heat, toss in some diced jalapeños or drizzle hot sauce over each serving.
- Change up the cheese: Experiment with different types of cheese like pepper jack or gouda for added flavor!
- Go vegetarian: Substitute the beef with lentils or black beans for a delicious meatless option.
How to Make Big Mac Casserole
Step 1: Cook the Beef
Start by cooking the ground beef in a large skillet over medium heat. Break it up as it cooks until it’s browned and crumbly. This step is essential as browning the meat adds depth to its flavor. Once cooked, drain any excess fat and stir in onions and garlic. Sauté until they soften—this really brings out their sweetness!
Step 2: Mix in Seasonings
Add Worcestershire sauce, yellow mustard, salt, pepper, garlic powder, and onion powder to your beef mixture. Give it all a good stir to coat everything evenly. These spices capture that classic Big Mac taste we all love!
Step 3: Prepare the Buns
In another bowl, combine the torn hamburger buns with melted butter and sesame seeds. This will create that wonderful texture reminiscent of the original burger bun layers. Spread half of this mixture in an even layer at the bottom of your baking dish.
Step 4: Layer It Up
Now comes the fun part! Layer half of your beef mixture over the buns followed by half of your special sauce mixture (don’t forget to save some sauce for later!). Top it off with shredded cheddar cheese before repeating these layers again—bun mixture, beef mixture, special sauce—finishing with more cheese on top.
Step 5: Bake It All Together
Bake your casserole in a preheated oven at 350°F (175°C) for about 30-35 minutes until it’s bubbly and golden brown on top. The aroma will be irresistible!
Step 6: Add Fresh Toppings
Once out of the oven, let it cool slightly before serving. Top each portion with fresh shredded lettuce, chopped pickles, diced onions, and those glorious American cheese slices.
And there you have it—a delightful Big Mac Casserole that brings all those beloved flavors straight from your kitchen! Enjoy every cheesy bite!
Pro Tips for Making Big Mac Casserole
If you want to elevate your Big Mac Casserole game, check out these handy tips that will help you achieve casserole perfection!
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Use Stale Buns: Stale hamburger buns absorb moisture better, which leads to a firmer texture in the casserole. Fresh buns can become too soggy.
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Layer Wisely: Spread the seasoned beef mixture evenly and layer your toppings well for an even distribution of flavors. This ensures every bite tastes just as good as the last!
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Let It Rest: After baking, let your casserole sit for about 10 minutes before serving. This helps it firm up and makes it easier to cut into squares.
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Customize Your Cheese: While cheddar is classic, feel free to mix in some Monterey Jack or pepper jack for added flavor and a bit of heat. It’s all about creating a taste you love!
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Experiment with Toppings: Don’t be afraid to experiment! Adding diced tomatoes or sliced jalapeños can give a fresh twist to this beloved dish.
How to Serve Big Mac Casserole
When it comes to serving your Big Mac Casserole, presentation matters! Here are some fun ideas to make mealtime even more enjoyable.
Garnishes
- Chopped Green Onions: These add a pop of color and a mild onion flavor that complements the richness of the casserole beautifully.
- Shredded Lettuce: A sprinkle on top before serving gives a refreshing crunch that mimics the original burger.
- Extra Pickles: A few sliced dill pickles on top not only enhance the visual appeal but also provide that extra zing!
Side Dishes
- Crispy French Fries: Nothing pairs better with this casserole than a side of crispy fries. They bring that fast-food vibe right to your dinner table!
- Coleslaw: A creamy coleslaw adds a nice crunch and balances out the richness of the casserole with its tangy flavor.
- Sweet Potato Wedges: Roasted sweet potato wedges offer a slightly sweet contrast to the savory casserole while also adding some nutritional benefits.
- Garden Salad: A light garden salad with fresh veggies can help round out the meal perfectly, offering a crisp and refreshing bite alongside the hearty casserole.
Now you’re ready to dig into this delightful Big Mac Casserole! Whether it’s for family night or just because you’re craving something delicious, enjoy every cheesy bite!

Make Ahead and Storage
This Big Mac Casserole is not only delicious but also perfect for meal prep! You can make it ahead of time, store leftovers, or even freeze portions to enjoy later. Here’s how to keep your casserole fresh and tasty:
Storing Leftovers
- Allow the casserole to cool completely before storing.
- Transfer leftovers to an airtight container.
- Store in the refrigerator for up to 3-4 days.
Freezing
- Cool the casserole completely.
- Wrap it tightly in plastic wrap or aluminum foil.
- Place in a freezer-safe container or bag.
- Freeze for up to 2-3 months. (Don’t forget to label it!)
Reheating
- Thaw overnight in the refrigerator if frozen.
- Preheat your oven to 350°F (175°C).
- Cover with foil and reheat for about 20-25 minutes, until heated through.
- For extra gooeyness, uncover the last 5 minutes to allow the cheese to bubble.
FAQs
Got questions? I’ve got answers! Here are some common inquiries about making this Big Mac Casserole:
Can I make a vegetarian version of Big Mac Casserole?
Absolutely! You can substitute the ground beef with plant-based meat alternatives or even lentils for a hearty option. Just be sure to adjust seasonings as needed.
How does this Big Mac Casserole compare to the original burger?
This casserole captures all the iconic flavors of a Big Mac—juicy beef, special sauce, pickles, and layers of cheese—but in a warm and comforting dish that’s easy to share with family.
How long can I store Big Mac Casserole leftovers?
You can store leftover Big Mac Casserole in the refrigerator for up to 3-4 days. Just make sure it’s kept in an airtight container!
Can I freeze Big Mac Casserole?
Yes! This casserole freezes beautifully. Just be sure it’s cooled completely before wrapping it tightly and storing in a freezer-safe container.
Final Thoughts
I hope you enjoy making this Big Mac Casserole as much as my family does! It’s one of those cozy dishes that brings everyone together, packed with familiar flavors that feel like home. Whether it’s a lazy Sunday dinner or a fun weeknight meal, this recipe is sure to please all ages. So grab your ingredients, get cooking, and let me know how it turns out for you—I’d love to hear about your experience!
Big Mac Casserole
Indulge in the delightful comfort of Big Mac Casserole—a hearty, family-friendly dish that transforms the classic flavors of a beloved fast-food burger into a warm, cheesy bake. Perfect for busy weeknights or meal prepping, this casserole features layers of seasoned ground beef, gooey cheddar cheese, and a creamy special sauce that captures the essence of a Big Mac without the fuss. As it bakes, the aroma fills your kitchen, inviting everyone to gather around the table for seconds (or thirds!). Easy to make and customizable, this Big Mac Casserole is sure to become a staple in your home.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: 8 servings 1x
- Category: Dinner
- Method: Baking
- Cuisine: American
Ingredients
- 2 lbs ground beef
- 1 medium onion, finely diced
- 3 cloves garlic, minced
- 6 chicken hamburger buns, torn
- 2 cups shredded cheddar cheese
- 1 cup mayonnaise
- 1/4 cup ketchup
- 2 tablespoons sweet pickle relish
- 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 tablespoons melted butter
- 1 teaspoon sesame seeds
- 2 cups shredded lettuce
- 1/2 cup dill pickles, chopped
- 1/4 cup diced onion
- 8 slices American cheese
Instructions
- Preheat your oven to 350°F (175°C).
- In a large skillet, cook the ground beef over medium heat until browned. Drain excess fat and add onions and garlic; sauté until softened.
- Stir in Worcestershire sauce, mustard, salt, pepper, garlic powder, and onion powder.
- In a separate bowl, combine torn buns with melted butter and sesame seeds. Layer half in a baking dish.
- Add half of the beef mixture on top followed by half of the special sauce and shredded cheese. Repeat layers finishing with cheese.
- Bake for 30-35 minutes until bubbly and golden brown. Let cool slightly before serving topped with fresh lettuce and pickles.
Nutrition
- Serving Size: 1/8 casserole (approximately 225g)
- Calories: 410
- Sugar: 3g
- Sodium: 660mg
- Fat: 29g
- Saturated Fat: 12g
- Unsaturated Fat: 15g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 1g
- Protein: 21g
- Cholesterol: 75mg
