This Crock Pot Big Mac Casserole is an easy hamburger casserole recipe made with ground beef, cheese, pickles, and onions and topped with delicious Big Mac sauce and sesame seeds!
Does anyone else sing “two all-beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun” when they hear Big Mac, or is that just me?
You don’t even have to go through the drive-thru to McDonalds to get your favorite Big Mac flavors. All the classic flavors you love are baked into an easy, quick, and family-friendly meal. I don’t know about you but I can put Big Mac sauce on anything and eat it. That tangy, creamy, just plain delicious, the sauce is the star in this recipe!
Crock Pot Hamburger Casseroles
Crock Pot Big Mac Casserole is a quick ground beef recipe the whole family will gobble up. I love a good hamburger casserole like Crock Beefy Potato Casserole or Tater Tot Taco Casserole. Casseroles are always my go-to because my kids love ground beef as much as the adults do and they are easy to throw into the crock pot and dinner is done. Big Mac Casserole is another one of those family-friendly meals that everyone will request!
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Crock Pot Big Mac Casserole Special Sauce
This special sauce can be made in a few minutes with a few ingredients. Just make sure to make enough because everyone will want more to drizzle on their Big Mac Hamburger Casserole. Sometimes I double the recipe so there is more for leftovers too!
How to Make Special Sauce?
- 1/2 cup mayonnaise
- 2 Tablespoons ketchup
- 4 teaspoons sweet pickle relish
- 1 Tablespoon grated white onion
- 1 teaspoon white vinegar
- 1/8 teaspoon salt
- 1 teaspoon white sugar
Tips to Make the Special Sauce
- I like to make this sauce at least an hour before serving. This way all the flavors combine. You can even make it a day before making this even quicker to serve at dinnertime!
- Make sure to refrigerate the sauce after you make it unless you are serving right away.
Crock Pot Big Mac Casserole – Gluten Free and Low Carb Casserole
All of my recipes are Gluten Free because my husband had celiac disease. That means you are allergic to gluten. However, this recipe is naturally gluten free so you don’t need to make any swaps.
Keto Version
If you are following a Keto diet this recipe can work for you! Just swap a few of the ingredients.
- Swap the ketchup for sugar free ketchup.
- Use dill pickle relish instead of sweet pickle relish.
- Replace the sugar with Erythritol Sweetener.
How to Store Big Mac Casserole
Leftover Big Mac casserole can be stored in the fridge for up to 3 days. Be sure to store it in an airtight container so that it doesn’t dry out. I like to freeze the casserole for up to 2 months. Thaw it overnight in the fridge and then reheat it in a 350-degree oven until warm.
Variation Options for Big Mac Casserole Recipe
There are endless possibilities when it comes to variations of this casserole.
- Extra cheese: Add some extra shredded cheese on top of the casserole before baking it. This is one of my favorite options!
- Pizza style: Add some pizza sauce to the mix for a fun twist.
- BBQ style: Swap out the special sauce for your favorite BBQ sauce.
- Southwest style: Add some diced green chiles, corn, and black beans to the mix.
Get creative and make it your own!
FAQs for Making Big Mac Casserole
Do I have to use ground beef?
You can use any type of ground meat that you’d like. Turkey, chicken, and pork would all work well in this recipe.
Want More Beef Recipes?
Crock Pot Corned Beef and Cabbage
Crock Pot Big Mac Casserole
Equipment
- 6-Quart or larger Slow Cooker
Ingredients
- 2 pounds ground beef
- 2 teaspoons Worcestershire Sauce
- 2 teaspoons garlic powder
- 1 small onion diced
- 4 oz cream cheese
- 1/4 cup heavy cream
- 2 cups shredded cheese
- 2 tablespoons sweet pickle relish
- Shredded lettuce optional for topping
- Pickle Slices optional for topping
Big Mac Sauce
- 1/2 cup mayonnaise
- 2 tablespoons French dressing or ketchup
- 4 teaspoons sweet pickle relish
- 1 tablespoon grated white onion
- 1 teaspoon white vinegar
- 1/8 teaspoon salt
- 1 teaspoon white sugar
Instructions
- Brown ground beef with garlic powder and onions.
- Add ground beef mixture to bottom of slow cooker.
- Stir in Worcestershire Sauce, 1 cup shredded cheese, cream cheese and heavy cream.
- Stir until all of the ingredients are fully combined.
- Cook for 2 hours on high or 4 hours on low.
- Top with remaining 1 cup shredded cheese. Add shredded lettuce and pickles if desired.
Video
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