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Steak Grilled Cheese

Steak Grilled Cheese is the ultimate lunch or easy dinner to make with leftover grilled steaks. Grilled sirloin sliced thin, layered with sautéed onions and Swiss cheese on buttery toast.

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Steak Grilled Cheese sandwiches cut in half and stacked.

Why You Will Love these Steak Grilled Cheese Sandwiches

  • Easy meal idea that uses leftover grilled steaks.
  • A budget friendly steak meal using one pound of sirloin steak.
  • The smoky grilled steak, caramelized onions and melty Swiss cheese is a flavor combination that everyone will love.

Ingredients for Steak Grilled Cheese

  • Sirloin Steak
  • Olive Oil
  • Steak Rub
  • Salted Butter
  • Sweet Onion
  • Kosher Salt
  • Fresh Ground Pepper
  • Sliced Wheat Bread

Step By Step Directions for the Best Grilled Cheese

Grilling 2 sirloin steaks.

Grill the Steak:

  1. Season steak with olive oil and steak rub on both sides.
  2. Cook over a hot grill fire, turning after 5 minutes and continuing to cook until steak reaches 130° or desired doneness using a digital meat thermometer.
  3. Remove from grill. Rest 10 minutes. Slice steak into thin strips. If making ahead, cool to room temperature, wrap and refrigerate.

Make the Sandwiches:

Cooking sliced onions in a skillet.
  1. Slice onions thin and cook in melted butter over medium heat. Season with salt and pepper and stir occasionally until onions are caramelized. Skillet with onions and sliced steak.
  2. Add sliced steak to the pan to heat slightly, skip this step if you are not using leftovers. Sliced bread with butter for 4 sandwiches.
  3. Butter one side of each slice of bread. Collage making steak, onion, Swiss grilled cheese sandwiches on a griddle.
  4. Heat a griddle and place 2 slices of bread, butter side down.
  5. Layer each with Swiss cheese and steak slices.
  6. Add a layer of onions and another slice of Swiss.
  7. Top with remaining bread slices, butter side up.
  8. Cook 2- 3 minutes per side until sandwiches are golden brown and cheese is melted.
  9. Repeat with remaining ingredients. 2 grilled cheese steak sandwiches cut in half and stacked.
  10. Slice and serve immediately.

More Grilled Cheese Additions

  • Sautéed mushrooms
  • Cheddar Cheese
  • Boursin Cheese
  • Mozzarella Cheese
  • Candied Jalapenos

What to Serve with Steak Grilled Cheese Sandwiches

Steak and onion Swiss grilled cheese sandwiches, stacked.

If you have leftover steak, give these Steak Grilled Cheese sandwiches a try for a quick and easy dinner that is so satisfying.
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Stacked steak grilled cheese sandwiches cut in half.
Yield: 4 Sandwiches

Steak Grilled Cheese

Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes

Steak Grilled Cheese is the ultimate lunch or easy dinner to make with leftover grilled steaks. Grilled sirloin sliced thin, layered with sautéed onions and Swiss cheese on buttery toast.

Ingredients

For the Steak

For Grilled Cheese Sandwiches

  • 1 large onion, sliced thin
  • 6 tablespoons softened salted butter, divided
  • 1/2 teaspoon kosher salt
  • 1/2 teaspoon fresh ground pepper
  • 8 slices wheat bread
  • 8 slices Swiss cheese

Instructions

    Grill the Steak:

    1. Prepare a grill fire to 350° using hickory chunks for smoke flavor.
    2. Season steak with olive oil and steak rub on both sides.
    3. Cook over a hot grill fire, turning after 5 minutes and continuing to cook until steak reaches 130° or desired doneness using a digital meat thermometer.
    4. Remove from grill. Rest 10 minutes. Slice steak into thin strips. If making ahead, cool to room temperature, wrap and refrigerate.

    Make the Sandwiches:

    1. Slice onions thin and cook in melted butter over medium heat. Season with salt and pepper and stir occasionally until onions are caramelized.
    2. Add sliced steak to the pan to heat slightly, skip this step if you are not using leftovers.
    3. Butter one side of each slice of bread.
    4. Heat a griddle and place 2 slices of bread, butter side down.
    5. Layer each with Swiss cheese and steak slices.
    6. Add a layer of onions and another slice of Swiss.
    7. Top with remaining bread slices, butter side up.
    8. Cook 2- 3 minutes per side until sandwiches are golden brown and cheese is melted.
    9. Repeat with remaining ingredients.
    10. Slice and serve immediately.

    Notes

    Optional Add- Ins:

    • Sautéed mushrooms
    • Cheddar Cheese
    • Boursin Cheese
    • Mozzarella Cheese
    • Candied Jalapenos

    Storage: Leftover steak and grilled cheese sandwiches can be wrapped in plastic wrap and stored in the refrigerator up to 2 days.

    Reheat: Wrap sandwiches in aluminum foil and cook in oven or toaster oven at 350° for 8- 10 minutes.

    Nutrition Information:

    Yield:

    4

    Serving Size:

    1

    Amount Per Serving: Calories: 867Total Fat: 57gSaturated Fat: 29gTrans Fat: 1gUnsaturated Fat: 22gCholesterol: 209mgSodium: 762mgCarbohydrates: 32gFiber: 3gSugar: 5gProtein: 54g

    Nutritional information is estimated and may not be accurate.

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