A golden, crispy chicken melt sandwich with seasoned chicken breast, melted cheese, caramelized onions, and a tangy garlic aioli. Ready in 15 minutes.
Ingredients
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300 g
Chicken breast, butterflied
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4
Sourdough bread slices
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4
Cheddar cheese slices
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20 g
Butter
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1 tbsp
Olive oil
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½ tsp
Garlic powder
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½ tsp
Smoked paprika
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80 g
Onion, thinly sliced
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2 tbsp
Mayonnaise
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1
Garlic clove, minced
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4
Lettuce leaves
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to taste
Salt & pepper
Instructions
1
Season and cook chicken
Butterfly 300g chicken breast so it is about 1 cm thick. Season both sides with garlic powder, smoked paprika, salt, and pepper. Heat 1 tbsp olive oil in a skillet over medium-high heat. Cook chicken 3–4 minutes per side until golden and cooked through (internal temp 74°C). Set aside and slice.
2
Caramelize onions
In the same pan, add 80g thinly sliced onion with a pinch of salt. Cook over medium heat for 5 minutes, stirring occasionally, until golden and soft.
3
Make garlic aioli
Mix 2 tbsp mayonnaise with 1 minced garlic clove and a squeeze of lemon juice. Set aside.
4
Assemble and grill
Spread garlic aioli on one side of each sourdough slice. Layer sliced chicken, 2 cheese slices, and caramelized onions on 2 slices. Top with lettuce and close the sandwiches. Butter the outside of each sandwich.
5
Toast until golden
Heat a clean skillet over medium heat. Grill sandwiches 2–3 minutes per side until bread is golden and cheese is melted. Press down gently with a spatula. Slice in half and serve immediately.
What Makes This Chicken Melt Special
A chicken melt sandwich takes the classic grilled cheese to the next level. The combination of seasoned, pan-seared chicken breast with melted cheddar, sweet caramelized onions, and tangy garlic aioli creates a sandwich that is far more satisfying than anything from a deli counter.
The key is butterflying the chicken breast so it cooks evenly and quickly. At just 1 cm thick, it sears in 3–4 minutes per side with a beautiful golden crust while staying juicy inside.
The Perfect Melt Technique
Getting the cheese perfectly melted without burning the bread is all about temperature control. Use medium heat — never high. This gives the cheese time to melt and get stretchy while the sourdough turns golden and crispy. Press down gently with a spatula for full contact with the pan.
If the bread is browning too fast, cover the pan with a lid for 30 seconds. The trapped steam melts the cheese quickly from above.
Protein-Packed Quick Lunch
With 42g of protein per serving, this chicken melt is not just comfort food — it is a muscle-building meal. The combination of chicken breast and cheese delivers high-quality protein, while the sourdough provides sustained energy from complex carbohydrates.
Recipe Notes & Tips
- Pound chicken to even thickness for uniform cooking.
- Cover the pan when melting cheese for faster, gooier results.
- Use a panini press if you have one for extra crispiness.
- Swiss or provolone work great instead of cheddar.
Variations
- Add crispy bacon for a chicken bacon melt.
- Use pesto instead of garlic aioli for an Italian twist.
- Swap sourdough for ciabatta or focaccia.
- Add sliced avocado for a creamy touch.
Common Mistakes to Avoid
- Cooking chicken too thick — butterfly or pound it to 1 cm for even, quick cooking.
- Using high heat for grilling — medium heat lets cheese melt before bread burns.
- Skipping the caramelized onions — they add sweetness that balances the savory cheese.
- Too much aioli — a thin layer adds flavor without making the bread soggy.
How to Store
Best served fresh. Leftover cooked chicken can be stored in the fridge for 2 days and reused in a new sandwich.
What to Serve With This
- Tomato soup for the classic combo
- Sweet potato fries or regular fries
- Coleslaw or pickle spears
- A crisp green salad
Frequently Asked Questions
Can I use leftover chicken?
Yes! Shred or slice leftover roasted or grilled chicken and warm it in the pan before assembling. It saves time and reduces waste.
How do I keep the bread from getting soggy?
Toast the bread lightly before assembling, apply aioli sparingly, and use lettuce as a moisture barrier between wet ingredients and bread.
What cheese works best?
Cheddar, Swiss, provolone, and Gruyère all melt beautifully. For the stretchiest melt, use a combination of cheddar and mozzarella.
Can I make this without a stove?
Yes! Use a panini press, or assemble the sandwich and bake at 200°C (400°F) for 8–10 minutes until the cheese melts and bread is crispy.
How do I butterfly a chicken breast?
Place the chicken flat on a cutting board. With a sharp knife parallel to the board, slice through the thick side horizontally, stopping 1 cm from the other edge. Open it like a book and press flat.
Is this good for meal prep?
You can prep the chicken and caramelized onions ahead of time. Store separately and assemble fresh sandwiches when ready to eat for the best texture.
How many calories is this sandwich?
About 520 calories per sandwich with 42g protein, 34g carbs, and 24g fat — a balanced, filling meal.
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