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Grilled Chicken Avocado Sandwiches

Grilled Chicken Avocado Sandwiches are so delicious and perfect for your backyard gathering or picnic. Try this delicious marinate on your chicken.
Course Lunch, Main
Cuisine American, Southern
Keyword grilled chicken, marinated chicken
Prep Time 3 hours
Cook Time 6 minutes
Total Time 3 hours 6 minutes
Servings 8 people
Calories 293kcal
Author Jessica Robinson


  • 3 pounds boneless skinless chicken breasts
  • Marinate:
  • 1/4 cup prepared stone ground mustard
  • 1/4 cup olive oil
  • 1/2 cup balsamic vinegar
  • 2 tablespoons packed brown sugar
  • 2 tablespoons onion powder
  • 2 teaspoons garlic powder
  • salt and pepper to taste


  • Place the chicken pieces, one at a time in between two layers of wax paper or in a large Ziploc bag. Using a rolling pin or meat tenderizer pound chicken to about 1/2-inch thickness. Using a sharp knife, cut the chicken breasts in half.
  • In a clean Ziploc bag add the ingredients for the marinate. Squish together good with your fingers. Place flattened chicken pieces in the bag and refrigerate for a minimum of 2-3 hours.
  • Grill in a hot pan over medium heat, in 2 tablespoons of canola oil and 1 tablespoon of butter, for about 2-3 minutes per side or until no longer pink inside. Use tongs to flip over.
  • Let rest briefly before assembling on rolls. Spread a thin layer of mayonnaise on one side of a kaiser roll.
  • Top chicken with slices of fresh tomatoes, lettuce, avocado and Cabot cheddar cheese.


Calories: 293kcal | Carbohydrates: 8g | Protein: 37g | Fat: 11g | Saturated Fat: 2g | Cholesterol: 109mg | Sodium: 292mg | Potassium: 684mg | Fiber: 1g | Sugar: 5g | Vitamin A: 51IU | Vitamin C: 3mg | Calcium: 27mg | Iron: 1mg