Ultimate Grilled Cheese

Featured in Dinner Winners Every Time.

This grilled cheese stands out with sharp cheddar, nutty gruyère, sourdough, and a mayo-butter mix for the ultimate crispy crust and melted inside.
A woman holding a vegetable in a kitchen.
Updated on Thu, 10 Apr 2025 19:13:50 GMT
Golden-brown toasted bread with melted cheese oozing out onto a skillet. Pin it
Golden-brown toasted bread with melted cheese oozing out onto a skillet. | cookwithtaste.com

I gotta tell you about my top way to whip up the most comforting food ever - a sourdough grilled cheese that's gonna transform your sandwich game forever! I've spent so many years tweaking this until it's just right, and I finally cracked the code for that crunchy exterior with super gooey insides. Believe me, this isn't your regular old grilled cheese.

The Magic of Sourdough

You wanna know what really sets this grilled cheese apart? That zingy sourdough brings such knockout flavor and crisps up amazingly without crumbling. It also handles all that melted cheese like a champ! I'm crazy about how you can use it different ways - dunk it in soup or just munch it as is.

What You'll Need

  • The Bread: A couple of substantial sourdough slices measuring roughly ½ inch thick.
  • The Fats: Softened butter and my hidden trick - a bit of mayo.
  • The Stars: Hand-grated cheddar for that bold taste and gruyère to make things extra smooth.

Cooking Process

Warm That Pan
Start by letting your cast iron get warm over low heat. Don't rush - even heating makes all the difference.
Fix Your Bread
Now for my sneaky move - smear a slim coating of mayo on one side of both slices. Sounds odd but it'll give you the most amazing golden outside!
Handle the Cheese
Always shred cheese yourself because it melts way better than the bagged stuff. Combine those two cheeses and watch the magic unfold.
Stack It Up
After your butter melts in the pan, put that first slice down mayo-side facing the pan, stack your cheese mountain, then cap it with the other slice, mayo-side facing up.
Cook to Perfection
Put a lid on and let it cook about 2-3 minutes. When you see that golden color underneath, flip it over! A couple more minutes and you're all set.
A golden-crisp grilled cheese with cheese dripping down the sides, sitting in a cast-iron pan. Pin it
A golden-crisp grilled cheese with cheese dripping down the sides, sitting in a cast-iron pan. | cookwithtaste.com

Insider Sandwich Secrets

Here's what making tons of grilled cheese taught me: slow and steady heat wins the race - going too fast just leaves you with burnt outsides and cold centers. Always grate cheese right before cooking and try mixing different types. And that mayo trick? It creates the most beautiful brown exterior every single time.

Personalize Your Sandwich

Let me run through some awesome ways to jazz up this sandwich! Sometimes I throw in some caramelized onions that turn all sweet and soft. A little fig jam makes it feel fancy, or try thin apple slices for some crunch. My new favorite thing? A little hot honey drizzled on top just before eating - talk about mind-blowing flavor!

Answers To Your Questions

Folks always wonder how to keep bread from getting mushy - thick sourdough slices and gentle heat are your best friends. Got leftovers (which hardly ever happens at my place!)? Wrap in foil and warm up in a toaster oven, not the microwave. Want that awesome stretchy cheese effect for pictures? Add some mozzarella to your cheese mix.

Cheese Combos To Try

Curious about my favorite cheese blends? Sharp cheddar with gruyère is my usual go-to, but sometimes I switch things up with smooth Monterey Jack or aged gouda. Feeling extra? Slip in some brie for incredible creaminess. The trick is finding balance between flavor punch and meltability.

What To Serve With It

How do I like eating this grilled cheese? Next to a hot bowl of tomato soup - it's a classic combo that can't be beat! When I'm feeling a bit fancy, I'll toss together a small green salad with tangy dressing. And don't skip the pickles! That crunchy, briny bite works so well against all that rich cheese.

Storing Leftovers

If you somehow end up with extras (though at my house they vanish pretty quick!), wrap them in foil and stick them in the fridge. They'll stay good a couple days, but here's the important part - warm them up in a toaster oven or back in a pan. Microwaves just make them all limp and soggy, and nobody wants that!

Gourmet Touches

Wanna make your sandwich feel super special? Try brushing a tiny bit of truffle oil inside before adding cheese or sprinkle some fancy flaky salt on the outside right after cooking. These small tweaks make it taste like something from an expensive café!

Rookie Errors To Skip

Let me share what I've figured out from many sandwich fails. First, never pick bread that's too skinny - it'll break down with all that cheese weight. Second, skip the pre-packaged shredded stuff - those anti-clumping agents mess up your melt. And always cook on low heat - rushing just ruins everything!

Getting That Perfect Stretch

Want my trick for those amazing stretchy cheese pulls? Mix some mozzarella in with your other cheeses. Then the real secret: after cutting the sandwich, add a tiny sprinkle more cheese and let it melt another minute in the pan. When you pull those pieces apart, you'll get picture-perfect stretchy cheese every time!

Creative Variations

You can go wild with this basic sandwich! Sometimes I layer in some caramelized onions that turn all sweet and delicious. A little smear of fig jam takes it somewhere totally new. And when I'm feeling fancy, a few thin slices of Granny Smith apple add just the right tart crunch. And let me tell you about drizzling hot honey on top - it's absolutely game-changing!

A melty grilled cheese cut in half showing gooey cheese stretching between pieces, resting in a cast iron pan on a wooden board. Pin it
A melty grilled cheese cut in half showing gooey cheese stretching between pieces, resting in a cast iron pan on a wooden board. | cookwithtaste.com

Frequently Asked Questions

→ Why put mayo on the bread?
It spreads smoothly, browns evenly, and doesn’t burn as quickly as butter. Your crust will be golden every time.
→ Is shredded cheese better?
Yes, freshly grated cheese melts faster and smoother compared to pre-packed shreds, which have additives that slow melting.
→ What’s the benefit of low heat?
Cooking low and slow lets the cheese melt evenly and avoids burning your bread before your sandwich is done.
→ Can I swap the sourdough for another bread?
Sure, a sturdy loaf like whole grain or a rustic white can be great, though sourdough's flavor and structure really shine.
→ Why mix two cheeses?
Sharp cheddar brings bold flavor, and gruyère adds creaminess and an amazing melt. Together, they're magic.

Ultimate Grilled Cheese

A cheesy sandwich made with sharp cheddar and rich gruyère on crispy sourdough. A mayo trick ensures a golden, crunchy outside.

Prep Time
5 Minutes
Cook Time
5 Minutes
Total Time
10 Minutes
By: Milly

Category: Main Dishes

Difficulty: Easy

Cuisine: American

Yield: 1 Servings (1 sandwich)

Dietary: Vegetarian

Ingredients

01 2 thick slices of sourdough bread
02 1 tablespoon of unsalted butter
03 2 teaspoons of mayo
04 3.5 ounces of freshly shredded cheddar cheese
05 1 ounce of freshly shredded Gruyère

Instructions

Step 01

Warm up a cast-iron pan on low heat. Slice your bread into half-inch thick pieces and shred both types of cheese.

Step 02

Take a teaspoon of mayo and smear it over one side of both bread pieces.

Step 03

Throw the butter in the pan, lay the bread mayo-side down, stack on the cheese, and close it up with the other slice (mayo-side facing up).

Step 04

Cover the pan and let it cook for 2-3 minutes until the bottom turns golden.

Step 05

Turn the sandwich over, cover the pan again, and cook for around 2 minutes so the cheese gets gooey and the other side browns.

Step 06

Cut it into triangles and enjoy it right away while the cheese stays gooey.

Notes

  1. Freshly grated cheese melts better
  2. Mayo helps the bread crisp up nicely
  3. Slow cooking on low keeps everything melty

Tools You'll Need

  • Pan made of cast iron
  • Grater for cheese
  • Spatula

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy
  • Made with wheat
  • Mayonnaise has eggs

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 650
  • Total Fat: 45 g
  • Total Carbohydrate: 35 g
  • Protein: 28 g