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Chicken Avocado Melt Sandwich

Chicken avocado melt sandwiches with grilled, juicy chicken and creamy avocado are layered with melted Swiss cheese and crispy bacon, then toasted until golden. This melt sandwich recipe uses skillet toasting for a crisp crust and a stretchy cheese pull in every cross-section bite.
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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: 690
Ingredients Equipment Method Notes

Ingredients
  

Chicken
  • 4 boneless chicken breasts Pounded thin for even cooking.
  • 1 tbsp olive oil
  • 1 tsp garlic powder
  • 0.5 salt and black pepper Use to taste.
Avocado & Bacon
  • 2 ripe avocados Sliced.
  • 8 bacon Cooked crispy.
Cheese & Bread
  • 8 Swiss cheese Sliced.
  • 8 sourdough or ciabatta bread
  • 2 tbsp butter For spreading on the outside of the bread.
Spreads
  • 1 tbsp Dijon mustard
  • 1 tbsp mayonnaise

Equipment

  • 1 cast iron skillet

Method
 

Cook the chicken
  1. Season the boneless chicken breasts with garlic powder, salt, and black pepper, so the surface looks evenly speckled. Heat olive oil in a cast iron skillet over medium-high heat until it shimmers.
  2. Cook the chicken for 5–6 minutes per side in the hot skillet until cooked through, flipping once when the first side is browned. The chicken should look opaque all the way to the center.
Build the melts
  1. Butter the outside of all sourdough or ciabatta bread slices so they toast evenly and turn golden. Spread Dijon mustard on the unbuttered side of half the bread and mayonnaise on the unbuttered side of the other half.
  2. Layer Swiss cheese, chicken, ripe avocados, and bacon on the Dijon side, then close with the mayonnaise side facing down. Press lightly so the filling stays together and the edges line up.
Toast and serve
  1. Toast each sandwich in the cast iron skillet over medium heat for 3–4 minutes per side until golden. Flip carefully when the first side is crisp, and look for fully melted Swiss cheese and a bubbly center.
  2. Slice the grilled chicken sandwich diagonally and serve immediately. The cross-section should show creamy avocado, melted cheese, and crispy bacon in every bite.

Notes

For the best cheese pull, keep the heat at medium and wait until the first side is golden before flipping. Store leftovers in an airtight container in the refrigerator for up to 3 days; reheat in a skillet over medium-low until warmed through. Freezing is not recommended because avocado can soften and turn watery. If you want a lighter version, use turkey bacon and reduced-fat Swiss cheese while keeping the same skillet-toasting method.