Triple Cheese Sourdough Grilled Cheese

Featured in: Quick Weeknight Flames

This Triple Cheese Sourdough Grilled Cheese elevates the beloved classic with a luxurious combination of sharp cheddar, creamy provolone, and shredded mozzarella. Two thick slices of buttered sourdough are transformed into a golden, crispy exterior while the cheese layers melt into pure indulgence inside.

Ready in just 20 minutes, this vegetarian main course serves two and requires only basic kitchen tools. The gentle medium-low heat ensures the bread achieves that perfect golden-brown finish while the cheese melts completely through. For extra richness, a touch of mayonnaise on the inner bread layer adds subtle crispiness.

Customize with Dijon mustard, tomato slices, or swap cheeses with Swiss or Gruyère. Pair with tomato soup or a crisp salad for a complete meal.

Updated on Tue, 20 Jan 2026 09:26:00 GMT
Golden, crispy thick sourdough bread layers melted cheddar, provolone, and mozzarella in this Triple Cheese Sourdough Grilled Cheese, served hot for a comforting bite.  Save
Golden, crispy thick sourdough bread layers melted cheddar, provolone, and mozzarella in this Triple Cheese Sourdough Grilled Cheese, served hot for a comforting bite. | fireandbites.com

There was a Saturday afternoon when the rain wouldn't stop and I had zero energy to cook anything complicated. I pulled out the sourdough loaf I'd been saving, three types of cheese from the drawer, and decided to make the kind of grilled cheese that would fix everything. The butter sizzled, the bread crisped up perfectly, and when I pulled that sandwich apart, the cheese stretched in a way that made me forget the gray sky outside. It became my go-to whenever I needed comfort without the fuss.

I made this for my brother once when he stopped by unexpectedly, and he stood at the counter eating it over the sink because he couldn't wait long enough to sit down. He kept saying it was the best grilled cheese he'd ever had, which felt like a small victory. Sometimes the simplest things are what people remember most, and that sandwich became the thing he'd ask for every time he visited.

Ingredients

  • Thick sourdough bread: The tangy flavor and sturdy texture hold up to all that cheese without getting soggy, and the thick slices create the perfect ratio of crispy crust to soft center.
  • Sharp cheddar cheese: This brings a bold, tangy punch that cuts through the richness of the other cheeses and adds depth to every bite.
  • Provolone cheese: It melts beautifully and adds a mild, creamy smoothness that balances the sharper cheddar perfectly.
  • Shredded mozzarella cheese: This is the secret to that stretchy, gooey pull when you break the sandwich open, and it melts faster than sliced cheese.
  • Unsalted butter: Softened butter spreads easily and crisps the bread into a golden, crunchy shell without burning.
  • Mayonnaise: A thin layer on the bread adds extra crispiness and a subtle richness, though you can skip it if you prefer just butter.

Instructions

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Prep the bread:
Lay out your sourdough slices and spread softened butter evenly on one side of each piece, making sure to reach the edges. If you want extra crispiness, spread a thin layer of mayo on the opposite side.
Layer the cheese:
Place two slices buttered side down on your counter, then stack each with a slice of cheddar, a slice of provolone, and half the shredded mozzarella. The mozzarella goes on top so it melts down into the other cheeses.
Close the sandwiches:
Top each stack with the remaining bread slices, buttered side facing up. Press down gently so everything sticks together.
Heat the skillet:
Set a large skillet or griddle over medium-low heat and let it warm up for a minute or two. You want steady, even heat so the bread crisps without burning before the cheese melts.
Grill the sandwiches:
Place both sandwiches in the pan and cook for 3 to 5 minutes on the first side, pressing gently with a spatula until the bread turns golden brown. Flip carefully and cook the other side until the cheese is fully melted and oozing.
Rest and serve:
Transfer the sandwiches to a cutting board and let them rest for a minute so the cheese sets slightly. Cut in half and serve hot while the cheese is still stretchy.
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Vacuum seal ingredients and leftovers to keep food fresh longer and simplify meal prep.
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A close-up view shows the Triple Cheese Sourdough Grilled Cheese sandwich with oozing cheese and buttery crust, paired with a warm cup of tomato soup.  Save
A close-up view shows the Triple Cheese Sourdough Grilled Cheese sandwich with oozing cheese and buttery crust, paired with a warm cup of tomato soup. | fireandbites.com

One winter evening, I made a batch of these and paired them with tomato soup, and it felt like the kind of dinner that wrapped you up in a blanket. My friend said it tasted like childhood but better, which is exactly what I was going for. It's funny how a sandwich can do that, turn an ordinary night into something you want to repeat over and over.

Choosing Your Cheese

The three-cheese combo here is my favorite, but I've swapped in Gruyere when I wanted something nuttier and Swiss when I felt like keeping it mild. The key is balancing one sharp cheese with something creamy and something stretchy, so you get flavor, smoothness, and that pull-apart moment all at once. I've also thrown in a little cream cheese once when I had it sitting around, and it made the whole thing even richer without overpowering the other flavors.

Getting the Perfect Crisp

I used to think butter was enough, but the first time I tried the mayo trick, I couldn't believe how much crispier the bread got. It browns more evenly and stays crunchy even after it cools down a bit, which makes leftovers (if you have any) so much better. Just make sure you spread it thin, because too much mayo can make the bread taste greasy instead of crispy.

Serving Suggestions

This sandwich is perfect on its own, but I almost always serve it with a bowl of tomato soup because the combo is unbeatable. A handful of crispy pickles on the side cuts through the richness, and a simple green salad with a tangy vinaigrette balances the whole plate. If you're feeling extra, a drizzle of hot honey over the top right before serving adds a sweet and spicy kick that surprises everyone.

  • Pair with creamy tomato basil soup for the ultimate comfort meal.
  • Add a few slices of tomato or a smear of Dijon mustard inside for a tangy twist.
  • Serve with pickles, chips, or a light arugula salad to balance the richness.
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Homemade Triple Cheese Sourdough Grilled Cheese on a wooden board, cut diagonally to reveal gooey cheese stretch between golden, crunchy sourdough slices. Save
Homemade Triple Cheese Sourdough Grilled Cheese on a wooden board, cut diagonally to reveal gooey cheese stretch between golden, crunchy sourdough slices. | fireandbites.com

This grilled cheese has never let me down, whether I'm cooking for myself on a quiet night or feeding a crowd that needs something fast and satisfying. It's the kind of recipe that reminds you that the best food doesn't have to be complicated, it just has to be made with a little care.

Common Questions

How do I prevent the bread from burning while melting the cheese?

Use medium-low heat and cook for 3-5 minutes per side. The lower temperature gives the cheese time to melt completely before the bread over-browns. Press gently on the sandwich to improve cheese contact with the bread, ensuring even melting.

Can I prepare this sandwich in advance?

Assemble the sandwich just before cooking for best results. You can prepare all ingredients ahead—butter, cheeses, and bread—but layering and grilling should be done fresh to maintain the sourdough's integrity and achieve optimal crispiness.

What's the purpose of mayonnaise in this sandwich?

Mayonnaise is optional and creates an extra-crispy exterior on the inside of the bread. It has a higher smoke point than butter alone, promoting better browning. If you prefer traditional preparation, butter alone works perfectly.

Can I use different types of cheese?

Absolutely. Swiss, Gruyère, fontina, or any melting cheese works well. Avoid hard cheeses like Parmesan unless shredded very fine. Mix and match your favorite melting cheeses—the key is using cheese that softens smoothly without becoming oily.

How thick should the sourdough slices be?

Thick slices (about ½ to ¾ inch) are ideal for supporting the multiple cheese layers without collapsing. Thicker bread also provides better structural integrity during cooking and yields that satisfying contrast between crispy exterior and tender interior.

What's the best way to serve this sandwich?

Serve immediately while the cheese is still melting. Allow the sandwich to rest for 1 minute after cooking before cutting—this helps the cheese set slightly, preventing excessive spillage. Pair with tomato soup, pickles, or a fresh salad for balance.

Triple Cheese Sourdough Grilled Cheese

Rich, melty sandwich with cheddar, provolone, and mozzarella on crispy sourdough bread. Ultimate comfort classic, elevated.

Setup Duration
10 min
Time at Heat
10 min
Complete Duration
20 min
Created by Logan Hayes


Skill Level Easy

Cultural Background American

Output 2 Portion Count

Special Diet Info Meat-Free

What You'll Need

Bread & Cheese

01 4 slices thick sourdough bread
02 2 slices sharp cheddar cheese
03 2 slices provolone cheese
04 1/2 cup shredded mozzarella cheese

Spreads & Fats

01 2 tablespoons unsalted butter, softened
02 1 tablespoon mayonnaise, optional for extra crispiness

Method Steps

Phase 01

Prepare Bread: Lay out sourdough slices. Spread butter evenly on one side of each slice. If using mayonnaise, spread a thin layer on the other side for enhanced crispiness.

Phase 02

Layer Cheese: Place two slices buttered-side down on work surface. Layer each with 1 slice cheddar, 1 slice provolone, and half the shredded mozzarella on each.

Phase 03

Assemble Sandwiches: Top each layered sandwich with remaining bread slices, buttered side facing up.

Phase 04

Heat Cooking Surface: Heat large skillet or griddle over medium-low heat until hot.

Phase 05

Cook First Side: Place assembled sandwiches in pan. Cook for 3 to 5 minutes, pressing gently, until bread achieves golden brown color and cheese begins melting completely.

Phase 06

Flip and Finish: Carefully flip sandwiches to avoid cheese spillage. Cook remaining side for 3 to 5 minutes until golden brown and cheese is fully melted.

Phase 07

Rest and Serve: Transfer to cutting board and let rest 1 minute. Cut diagonally and serve immediately while hot.

Kitchen Tools Needed

  • Large skillet or griddle
  • Spatula
  • Knife
  • Cutting board

Allergy Details

Always review ingredients individually for potential allergens and seek professional medical guidance if uncertain.
  • Contains wheat from sourdough bread
  • Contains milk from cheese and butter
  • Contains eggs from mayonnaise when used
  • Review all product labels for potential hidden allergens

Dietary Information (Single Portion)

Values shown are estimates only - please consult healthcare providers for specific dietary advice.
  • Energy Content: 490
  • Fats: 28 g
  • Carbohydrates: 39 g
  • Proteins: 21 g