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Ultimate Grilled Macaroni and Cheese Sandwich

Summer is coming and with it, the need to keep the kitchen from getting too hot – that means, avoiding the oven as much as possible.  This ultimate grilled macaroni and cheese sandwich will avoid the oven and satisfy your family’s down-home mac & cheese cravings!

Ultimate Macaroni and Grilled Cheese Sandwich

4.5 from 2 reviews
Ultimate Grilled Macaroni and Cheese Sandwich
Prep time
Cook time
Total time
This ultimate grilled macaroni and cheese sandwich will avoid the oven and satisfy your family's down-home mac & cheese cravings!
Recipe type: Sandwich
Serves: 4
  • 4 tablespoons unsalted butter, divided
  • 4 cups warm prepared macaroni and cheese
  • 2 thinly sliced onions
  • Kosher salt and pepper to taste
  • 8 slices sourdough bread
  • 12 slices sharp cheddar cheese
  1. Make macaroni and cheese according to the recipe or box. Spread it into an 8-inch-square baking dish around ¾ inch thick. Wrap the dish with plastic wrap and then place it into the refrigerator to chill until firm. This will take about 45 minutes. After the macaroni and cheese is firm, remove it from the refrigerator and cut it into squares that are smaller than the slices of bread being used and then set it aside.
  2. Melt two tablespoons of butter in a skillet over medium heat. Sauté the onions, stirring them until they are caramelized. This wiill take about 20 minutes. If desired, season the onions with salt and pepper to taste.
  3. Heat a panini grill to medium heat while preparing the sandwiches. Melt the remaining butter and brush a little on one side of each slice of bread. Place the butter side down on the panini grill, followed by a slice of cheese, one macaroni and cheese square and then another slice of cheese. Place the second piece of buttered bread to complete the sandwich, buttered side up.
  4. Cook the sandwich until the cheese begins to melt and the bread turns a golden brown. This will take approximately 5 minutes. Then, build each additional sandwich until all four are complete.
  5. As an alternative, you may also add barbecue pork, beef or chicken to the sandwich before grilling it.

More Mac & Cheese Delights:

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This post may contain affiliate links - any opinions stated are strictly my own!

About Kelli Miller

My husband (Ricky) of 15 years, our three wild and wonderfully different little boys, one totally spoiled little dog named Annie, and I live in a small town on the coast of Southern Alabama.


  1. Sooo not good for you but looks oh so yummy!

  2. Looks amazing!

  3. This is crazy! I love both mac and cheese and grilled cheese…so I am totally trying it.
    Holly Homer´s last blog post ..{No Candy} Easter Egg Activity Stuffers

    • Cassie Homer says:

      I always get excited when I see someone else who married a Homer…..LOL.

  4. This would be a great guilty pleasure sandwich. I love grilled cheese sandwiches and mac and cheese.
    Micha @ Cookin’ Mimi´s last blog post ..Share Your Stuff Tuesdays #43

  5. That sandwich looks delicious! Now I am craving a grilled cheese!
    Jenn @TheRebelChick´s last blog post ..Easter Bunny Cupcakes with Homemade Vanilla Buttercream Frosting Recipe

  6. I loved your Tip Me Tuesday link this week. {thanks girl!} Would you like Tip Junkie to feature your blog post to over 200,000 creative women? If you upload this blog post into your Tip Junkie craft room using at least 2 images, 2 steps, and blog post URL then I can easily feature it in my RSS feed, home page, and all my social networks instantly. {squealing with delight} ~ Laurie {a.k.a. the Tip Junkie}

  7. I am not sure this is legal but I am sure going to make and eat one or three!!
    Kristina & Millie´s last blog post ..Adoption Event!!


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