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–+ servings
A mac and cheese grilled cheese cut in half on a plate
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Grilled Mac and Cheese Sandwich

This mac and cheese grilled cheese is crispy, buttery, and loaded with creamy, gooey cheese. The ultimate comfort food sandwich made in minutes using simple ingredients.
Prep Time5 minutes
Cook Time5 minutes
Resting Time2 minutes
Total Time12 minutes
Servings: 1
Calories: 339kcal
Author: Karin and Ken

Ingredients

  • 2 slices thick-cut white bread
  • 2 tablespoons butter
  • 1 cup prepared macaroni and cheese warm
  • 2 slices cheddar cheese

Instructions

  • Place the 2 slices of bread on a cutting board; spread 1 side of each slice with a tablespoon of butter.
  • Heat a dry small nonstick skillet over medium heat.
  • Place 1 slice of bread, butter side down, in the pan and top with a slice of cheddar cheese, the macaroni and cheese, and the other slice of cheese.
  • Arrange the second slice of bread, butter side up, on top.
  • Cook the sandwich until golden brown underneath, about 2 minutes. Carefully flip the sandwich using a flat spatula. Gently press down on the sandwich with that spatula to encourage even browning and help the cheese melt.
  • Cook until the second side is golden brown and the cheese is melted, about 2 minutes.
  • Once golden brown on both sides and the cheese has melted, remove from the heat and serve.

Notes

  • Don’t overfill: Keeps sandwich manageable
  • Flip carefully: Prevents spilling filling
  • Use preheated pan over medium-low heat: Allows the bread to crisp and not burn while giving cheese time to melt fully
  • Warm the mac and cheese first: Helps everything heat evenly inside the sandwich
  • Butter edge to edge: Ensures a perfectly golden crust with no dry spots
  • Use thick, sturdy bread: Prevents the sandwich from collapsing under the filling
  • Add cheese on both sides: Acts like glue to hold the mac and cheese in place
  • Press gently while cooking: Helps everything meld together without squeezing out filling
  • Don’t overload the sandwich: Keeps it easy to flip and evenly cooked
  • Let rest 1–2 minutes after cooking: Helps the filling set for cleaner slicing
 

Nutrition

Calories: 339kcal | Carbohydrates: 1g | Protein: 8g | Fat: 34g | Saturated Fat: 21g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 8g | Trans Fat: 1g | Cholesterol: 94mg | Sodium: 402mg | Potassium: 33mg | Sugar: 0.1g | Vitamin A: 1040IU | Calcium: 247mg | Iron: 0.1mg