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Home / Main Dishes / Sandwich

Ultimate Gourmet Grilled Cheese

4.80
/5
25 minutes
89 Comments
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By: The Chunky Chefpublished: 09/01/2016

This post may contain affiliate links. Please read my disclosure policy.

This gourmet grilled cheese is loaded with herbed caramelized onions, gooey Gruyere and white cheddar cheeses, and is cooked in a savory rosemary butter!

One bite of this ultra savory and gourmet grilled cheese, and you’ll never want a regular grilled cheese again!  The crispy bread, cooked in rosemary butter, surrounds the gooey cheeses and an inside layer of sweet herbed caramelized onion… sheer comfort food perfection!

Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.comLet me just tell you, this is quite possibly the best sandwich I’ve ever made.  There’s nothing more satisfying and comforting than a crunchy, gooey, melty grilled cheese!

Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.com

I have a weird thing about yellow cheeses, so I chose my absolute favorite, Gruyere.  Of course I had to add some extra cheeses, so I also went with a bit of white cheddar and one thin slice of Muenster.  If you’d prefer a different cheese blend, by all means, go for it!

Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.com

The hardest thing about this gourmet grilled cheese, is maybe fitting into your pants after you’re done… because you won’t be able to have just one sandwich!

While I think a great sandwich is good all on it’s own… sometimes you just need something to dip it in.  I highly recommend my Slow Cooker Creamy Tomato Basil Soup!

Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.com

If you really want to kick this gourmet grilled cheese up a notch or two… add some prosciutto slices or crispy bacon.  Talk about pure heaven!!

Check out the notes section below the recipe for a secret trick to make sure you have the perfect melted cheese!

Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.com

Did you make this? Be sure to leave a review below and tag me @the_chunky_chef on Facebook and Instagram!

Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.com

Ultimate Gourmet Grilled Cheese

4.80 from 49 votes
Author: The Chunky Chef
Prep Time: 10 minutes
Cook Time: 15 minutes
Total Time: 25 minutes
Calories: 909
Servings: 4 servings
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This gourmet grilled cheese is loaded with herbed caramelized onions, gooey gruyere and white cheddar cheeses, and is cooked in a savory rosemary butter!

Ingredients

  • 8 slices good quality bread I used thick cut Artisan bread
  • Mayonnaise for spreading
  • 12 oz Gruyere cheese sliced thinly OR grated, at room temperature
  • 6 oz White cheddar cheese sliced thinly OR grated, at room temperature
  • 4 slices thin Muenster cheese at room temperature
  • 2 yellow onions diced
  • 1 tsp fresh thyme minced
  • 2 tsp fresh rosemary minced, divided
  • 1 tsp brown sugar
  • Salt and pepper to taste
  • 3 Tbsp butter divided
  • 1 Tbsp olive oil

Instructions

  • Add 1 1/2 Tbsp butter and olive oil to a skillet and heat over MED-LOW heat. Add diced onions, salt, pepper, fresh thyme and 1 tsp of fresh rosemary to the hot skillet and saute, stirring often, until onions are soft and starting to brown, about 10 minutes.
  • Stir brown sugar into the onions and cook another minute.
  • Transfer onions to a plate.
  • Spread one side of two pieces of bread with a little bit of mayonnaise.
  • To the same skillet, add remaining butter and rosemary, and heat over MED heat. Swirl to coat the bottom of the skillet with the melted butter.
  • Add both pieces of bread, mayonnaise side down, and cook until bread is golden brown and crunchy, about 2-3 minutes.
  • As soon as you add the bread to the skillet, add a bit of cheese to the top of each piece of bread. Once it starts to melt a little, sprinkle a couple tablespoons of the caramelized onions over the top of one of the pieces of bread.
  • When the bread is good and golden brown, sandwich the pieces of bread together and cook on LOW until cheese is fully melted.
  • Transfer to a plate, repeat with remaining slices of bread and ingredients.
  • Slice and enjoy!

Want to save this recipe for later? Click the heart in the bottom right corner to save to your own recipe box!

Chef Tips

1. If you're having trouble getting your cheese to melt, add all the cheese to a food processor and pulse until they form a paste. Use as directed.

Video

Nutrition Disclaimer

The Chunky Chef is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories can vary quite a bit depending on which brands were used.

Did You Make This?Tag @the_chunky_chef on Instagram and hashtag it #thechunkychef so I can see what you made!
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Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.com

Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.com

Ultimate Grilled Cheese | Gooey Gruyere and white cheddar cheese, savory rosemary butter, and herbed caramelized onions... need I say more? | http://thechunkychef.com

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Meet The Chunky Chef

Hey there! I'm Amanda. Wife, mother, photography nerd, and bacon lover! I believe that delicious meals should be easy to make. Now that you’re here, stay a bit, browse a few recipes, and let’s get cookin’!

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Recipe Rating




  1. Deb Adams says

    Posted on 3/16 at 8:01 pm

    Amazing!!! Wow! Best ever. I feel like a chef in my own kitchen

    Reply
  2. Denise says

    Posted on 1/16 at 9:22 am

    I cannot wait to make this sandwich. My mouth was watering as am reading the ingredients and getting them today I would definitely let you know how it turned out and I got one more little secret. I am adding a couple slices, crumbled beef bacon that’s because I have some already. Talk about your adult only grilled cheese sandwich just for the grown-ups.

    Reply
  3. Will says

    Posted on 12/13 at 4:32 pm

    This is good!!

    Reply
  4. Jennifer C says

    Posted on 12/10 at 2:11 am

    This recipe is amazing and just reading it my mouth was already watering. Thank you for providing the perfect gourmet grilled cheese I have been looking for!

    Reply
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