Ultimate Grilled Cheese

Featured in Sandwiches packed with flavor.

This upgrade to grilled cheese uses premium cheddar, gruyère, sourdough, and a mayo trick for a golden crust and gooey inside.
Maria from tastyhush
Updated on Sun, 04 May 2025 12:39:00 GMT
Melted cheese dripping from crispy, toasted bread in a skillet. Pin it
Melted cheese dripping from crispy, toasted bread in a skillet. | tastyhush.com

I've gotta share my ultimate comfort food hack - a sourdough grilled cheese that'll totally transform your sandwich game! I've spent so many years tweaking this recipe and finally cracked the code for that crunchy exterior with gooey melted cheese inside. This isn't your regular sandwich - it's something special.

The Magic of Sourdough

What really makes this grilled cheese stand out? That zippy sourdough gives it amazing tang and turns super crispy while staying together well. It handles all that melty cheese like a champ! I love how you can dunk it in soup or just munch it by itself - works great either way.

What You'll Need

  • The Bread: Grab two chunky sourdough slices about 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 for that smooth meltiness.

Let's Cook Together

Warm That Pan
Start by heating your cast iron on gentle heat. Don't rush - you want even warming throughout.
Fix Your Bread
Here's my weird but wonderful trick - put a thin mayo coating on one side of each slice. Sounds strange but it creates the most incredible golden outside!
Cheese Prep
Always shred cheese yourself - it melts way better than the bagged stuff. Mix those two cheeses together for friendship in flavor.
Sandwich Assembly
After butter melts in your pan, put the first slice down mayo-side facing the pan, stack on all that cheese, then top with your second slice, mayo-side up.
Getting It Right
Put a lid on and let it cook about 2-3 minutes. Peek underneath for that golden color before flipping! A couple more minutes and you're done.
A golden-brown grilled cheese sandwich with melted cheese oozing out, placed in a cast-iron skillet. Pin it
A golden-brown grilled cheese sandwich with melted cheese oozing out, placed in a cast-iron skillet. | tastyhush.com

Smart Sandwich Tricks

After making tons of these sandwiches, I've learned some things: always keep your heat low - hurrying just gets you burnt bread with cold cheese inside. Always grate cheese yourself right before cooking. And that mayo on the outside? It'll give you that perfect golden crust every single time.

Tasty Tweaks

I've got some fun ways to jazz up this sandwich! Try adding some sweet, soft caramelized onions. A bit of fig jam makes it seem fancy, or toss in thin apple slices for some crunch. Lately I'm crazy about adding hot honey right at the end - talk about flavor explosion!

Your Burning Questions

Folks always want to know how to keep bread from getting mushy - thick sourdough slices and low heat will fix that problem. Got extras? Wrap in foil and warm up in a toaster oven, not the microwave. Want that stretchy cheese pull for pictures? Add some mozzarella to your cheese blend.

Awesome Cheese Combos

Wanna know my favorite cheese mixes? Sharp cheddar with gruyère is my usual pick, but sometimes I'll throw in some smooth Monterey Jack or aged gouda. Feeling extra? Drop in some brie for mega gooeyness. The trick is finding good flavor balance with cheeses that melt well.

Great Side Dishes

What goes best with this sandwich? A hot bowl of tomato soup - it's a classic combo for good reason! When I'm trying to be fancy, I'll make a small green salad with tangy dressing. Don't forget pickles on the side! That crunchy, sour bite works so well with all the rich, melty cheese.

Storing Leftovers

If you somehow don't eat it all (though at my house they vanish quick!), wrap it in foil and stick it in the fridge. It'll stay good a couple days, but here's the important part - warm it up in a toaster oven or pan again. Microwaves just turn it all soft and weird, and nobody wants that!

Fancy Finishing Touches

Want your sandwich to feel extra special? Try brushing the inside with a tiny bit of truffle oil before you add cheese, or sprinkle some fancy flaky salt on the outside right after cooking. These small tricks make it taste like you bought it at some expensive café!

Big Mistakes To Skip

Let me tell you what not to do based on my sandwich fails. First, don't use skinny bread - it'll break apart under all that cheese. Second, skip the pre-shredded cheese bags - those anti-clumping powders mess up your melt. And always keep your heat low - rushing won't do you any favors!

Amazing Cheese Stretches

Want those incredible stretchy cheese pulls? Sneak some mozzarella in with your other cheeses. Then try this cool trick: after cutting your sandwich, toss a tiny bit more cheese in and give it just 60 more seconds in the pan. When you pull those pieces apart, you'll get picture-perfect stretchy cheese!

Creative Variations

You can do so much with this basic sandwich! Sometimes I'll add a layer of sweet, jammy caramelized onions. A smear of fig spread takes it somewhere totally new. When I feel fancy, a few skinny Granny Smith apple slices add perfect tartness and crunch. And wait till you try hot honey drizzled on top - it's unbelievable!

A grilled cheese sandwich with melted cheese oozing out is shown in a cast iron skillet on a wooden surface. Pin it
A grilled cheese sandwich with melted cheese oozing out is shown in a cast iron skillet on a wooden surface. | tastyhush.com

Frequently Asked Questions

→ What makes mayo better for grilling?
It spreads easily, gives an even crust, and is less likely to burn than butter due to its higher smoke point.
→ Can I skip shredding cheese?
Grating fresh cheese ensures smoother melting. Pre-shredded often has added ingredients that mess up the texture.
→ Why keep the heat so low?
Lower heat lets the cheese melt while the bread crisps up perfectly. You’ll avoid burning this way.
→ What works instead of sourdough?
Any solid bread is fine, but hearty options like whole grain or country white give great results instead of sourdough.
→ Why mix two cheese types?
Cheddar gives bold flavor, and gruyère melts like a dream with a nutty kick. Together they’re unbeatable.

Ultimate Grilled Cheese

An indulgent sandwich with sharp cheddar, nutty gruyère, and sourdough. Mayo gives a perfectly crispy crust no one can resist.

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

Category: Sandwiches

Difficulty: Easy

Cuisine: American

Yield: 1 Servings (1 sandwich)

Dietary: Vegetarian

Ingredients

01 Gruyère cheese, shredded fresh (1 ounce)
02 Sharp cheddar cheese, freshly shredded (3.5 ounces)
03 Mayonnaise (2 teaspoons)
04 Unsalted butter (1 tablespoon)
05 Sourdough bread (2 thick-cut slices)

Instructions

Step 01

Slice the bread into half-inch pieces. Grate both types of cheese. Heat up the skillet on low.

Step 02

On one side of each bread slice, spread a teaspoon of mayo evenly.

Step 03

Add butter to the skillet, put a slice of bread mayo-side down, pile on grated cheese, and place the second slice mayo-side up on top.

Step 04

Cover the skillet and cook for 2 to 3 minutes, until the bottom is golden and crispy.

Step 05

Carefully flip the sandwich over, cover it again, and cook another 2 minutes until the cheese melts completely and the second side is toasted.

Step 06

Slice it diagonally and dig in while it’s still gooey and hot.

Notes

  1. Freshly shredded cheese ensures it melts smoothly.
  2. Mayonnaise helps the bread get that golden crisp layer.
  3. Cooking over low heat lets the cheese melt perfectly.

Tools You'll Need

  • A cast-iron skillet
  • A grater for shredding cheese
  • A spatula for flipping

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy
  • Wheat
  • Eggs (contained in mayonnaise)

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