This hearty combination brings together shredded chicken breast, ripe avocado slices, and your favorite melting cheese between two slices of crusty bread. The mayonnaise and Dijon mustard spread adds a tangy kick that complements the rich fillings perfectly. Griddled to golden perfection with butter, each bite delivers crispy texture alongside the creamy, savory interior. Perfect for a quick lunch or dinner using leftover rotisserie chicken.
The rain was hammering against my kitchen window last Tuesday when I realized I had nothing prepared for dinner but a rotisserie chicken, some sourdough, and the most perfect avocado I'd ever picked up from the market. Sometimes those desperate what's-in-the-fridge moments turn into the best sandwiches of your life.
My teenage son walked in from soccer practice, caught one whiff of that butter-toasting bread, and didn't even bother going to his room first. He stood right there at the counter watching me flip the sandwiches, asking if they were ready yet every 30 seconds. That's when I knew this was going into regular rotation.
Ingredients
- Cooked chicken breast: Two cups of shredded rotisserie chicken works perfectly here, but any leftover cooked chicken you've got will do
- Ripe avocado: Look for one that yields slightly to gentle pressure, and slice it right before assembling so it doesn't brown
- Cheddar, Monterey Jack, or Swiss cheese: Four slices total, and seriously, don't skimp here because that melted cheese is what holds everything together
- Sourdough or country bread: Eight sturdy slices that can stand up to all those fillings without getting soggy
- Mayonnaise and Dijon mustard: Mixing these two creates this tangy spread that cuts through all the richness
- Unsalted butter: Two tablespoons for getting that perfect golden crunch on the outside
- Tomato and red onion: Fresh slices add brightness and crunch that balance out the warm elements
- Salt and black pepper: Season generously because the chicken and avocado need that little kick
Instructions
- Make your spread:
- Whisk together the mayonnaise and Dijon mustard in a small bowl until they're completely combined and smooth
- Prep the bread:
- Lay out all your bread slices and spread that mayo-mustard mixture on one side of each piece, going all the way to the edges
- Layer it up:
- On four of those prepped slices, pile on your chicken, then arrange those avocado slices, tomato, onion if you're using it, and finish with cheese
- Season those layers:
- Sprinkle salt and pepper right over the fillings before you top them with the remaining bread slices, spread side down
- Get your pan ready:
- Heat up a large skillet or grill pan over medium heat and melt one tablespoon of butter until it sizzles
- Grill to perfection:
- Carefully place your sandwiches in the pan, press them down gently with your spatula, and let them cook for about 3 to 4 minutes per side until they're golden and the cheese is oozing out
- The final touch:
- Let them rest for just one minute before slicing so everything sets, then cut diagonally because sandwiches always taste better that way
Last Friday, my neighbor texted that she was having one of those days, so I made an extra sandwich and brought it over. She sent me a photo 10 minutes later of an empty plate with just crumbs remaining, and that's basically the highest compliment a sandwich can get.
Make It Your Own
Sometimes I'll add a few strips of cooked bacon because everything's better with bacon, especially when it gets all warm and crispy inside the sandwich. A handful of arugula after grilling adds this nice peppery bite that cuts through all the cheese and creaminess.
The Bread Matters
I've tried this with regular sandwich bread and it just doesn't hold up the same way. You want something with structure and a good crust that's going to get all crunchy and golden in that butter.
Serving Ideas
These are substantial enough to stand alone with maybe just some pickle chips on the side, but I love serving them with a simple green salad dressed with lemon vinaigrette to cut through all that richness. Sweet potato fries are also never a bad decision.
- Cut the sandwiches diagonally, it makes them feel like something special
- Let them rest that whole minute before slicing or everything will slide out
- Butter the bread, not the pan, for even browning and maximum flavor
There's something so comforting about a warm sandwich that's been toasted to golden perfection, especially when it's filled with things you already love. Hope this becomes your go-to for those nights when you need something that feels special but doesn't require any real effort at all.
Recipe FAQs
- → What type of cheese works best for melts?
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Cheddar, Monterey Jack, and Swiss cheese all melt beautifully and provide excellent flavor. Cheddar offers sharpness, Monterey Jack brings creaminess, while Swiss adds a nutty dimension that pairs well with poultry.
- → Can I use leftover chicken for this sandwich?
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Absolutely. Rotisserie chicken or any leftover cooked chicken breast works perfectly. Simply shred or slice it before layering. This actually enhances the flavor as the chicken has already been seasoned.
- → How do I prevent the bread from getting soggy?
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The key is spreading the mayo-mustard mixture on the bread, which creates a protective barrier. Also, toast the sandwich butter-side down first, and avoid overloading with watery ingredients like tomato.
- → What sides pair well with this sandwich?
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A crisp green salad with vinaigrette cuts through the richness. Sweet potato fries, coleslaw, or a cup of tomato soup also complement the flavors beautifully. Pickles on the side add a nice acidic contrast.
- → Can I make this vegetarian?
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Yes, replace the chicken with sliced turkey breast, or go fully vegetarian by adding extra vegetables like spinach, mushrooms, or roasted peppers. The avocado and cheese provide plenty of protein and richness.
- → What's the best bread for achieving maximum crispiness?
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Sourdough and country bread hold up exceptionally well to griddling, developing a sturdy, golden crust. Their denser texture prevents sogginess while providing structure for the generous fillings.