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Chicken Avocado Melt Sandwich

This chicken avocado melt delivers a golden, skillet-toasted crust with melted Swiss cheese, sliced grilled chicken, creamy avocado, and crispy bacon in every bite. Layer everything on sourdough or ciabatta and toast until the cheese is fully melted for an easy, quick sandwich recipe.
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Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings: 4 servings
Course: Main Dish
Cuisine: American
Calories: 720
Ingredients Equipment Method Notes

Ingredients
  

Chicken
  • 4 boneless chicken breasts pounded thin
  • 1 tbsp olive oil
  • 1 tsp garlic powder
  • 1 salt
  • 1 black pepper
Avocado and bacon
  • 2 ripe avocados sliced
  • 8 bacon cooked crispy
Cheese and bread
  • 8 Swiss cheese slices
  • 8 sourdough or ciabatta bread slices
Spreads and finishing
  • 2 tbsp butter
  • 1 tbsp Dijon mustard for spreading
  • 1 tbsp mayonnaise for spreading

Equipment

  • 1 cast iron skillet

Method
 

Cook the chicken
  1. Season the boneless chicken breasts with garlic powder, salt, and black pepper, then cook them in olive oil over medium-high heat for 5–6 minutes per side until cooked through. The chicken should be browned on the outside and no longer pink in the center.
Assemble the sandwiches
  1. Butter the outside of all bread slices. Make sure the buttered sides face outward later so they toast into a golden crust.
Spread and layer
  1. Spread Dijon mustard on the unbuttered side of half the bread slices and mayonnaise on the other half. The creamy, tangy spread should coat each slice evenly.
  2. Layer Swiss cheese, cooked chicken, sliced ripe avocados, and crispy bacon on the Dijon side, then close the sandwich with the buttered-side out. Press lightly so the layers stay put.
Toast and melt
  1. Toast in a skillet over medium heat for 3–4 minutes per side until golden and the cheese is fully melted. Watch for a crisp exterior and a visible cheese melt at the edges.
Serve
  1. Slice diagonally and serve immediately. Serve while the avocado is creamy and the cheese pull is at its best.

Notes

For extra even cooking, pound the chicken breasts to a uniform thickness before seasoning. Refrigerate leftovers in an airtight container for up to 3 days; reheat in a skillet over medium heat until warmed through (avoid microwaving if you want the crust to stay crisp). Freezing is not recommended because the avocado softens after thawing. For a lower-saturated-fat option, use reduced-fat Swiss cheese and a light mayonnaise.