Amazing Southwest Cilantro Lime Mango Grilled Chicken Sandwiches

Step 1
For the marinade: Place 1/4 cup cilantro, 1 clove minced garlic, 1/4 jalapeno, lime zest, 1 1/2 teaspoons salt, onion powder, 1/4 teaspoon black pepper, 1/4 teaspoon chipotle chile powder, and 1 tablespoon olive oil in a small bowl and stir until well combined. Place the chicken breast tenderloins in a large resealable plastic bag. Pour the marinade into the bag with the chicken, seal, and shake the bag to coat. Refrigerate for 1 hour.

Step 2
For the salsa: Combine the tomato, 1 small onion, 2 tablespoons cilantro, 1/2 jalapeno, 1 clove garlic, 1/4 teaspoon black pepper, sea salt, 1/8 teaspoon chipotle pepper, and 1 tablespoon lime juice in a bowl. Cover with plastic wrap and refrigerate.

Step 3
To prepare the grilled vegetables, toss the onions and red peppers with 1 tablespoon olive oil, 1/4 teaspoon salt, and 1 clove garlic in a bowl; set aside.

Step 4
For the lime mayonnaise: Whisk together the mayonnaise and 2 tablespoons of lime juice; cover with plastic wrap and refrigerate.

Step 5
Preheat an outdoor grill for medium-high heat.

Step 6
Grill the marinated chicken on the prepared grill until no longer pink in the center and juices run clear, 8 to 10 minutes. Grill the red pepper and onions until tender and golden brown, 8 to 10 minutes. Remove the chicken and vegetables from the grill. Slice the grilled pepper into thin strips.

Step 7
Spread each slice of bread with 1 1/2 teaspoons of prepared lime mayonnaise. Layer half of the pieces of bread with sliced mango, 1 tablespoon prepared salsa, grilled chicken tenderloins, grilled peppers, grilled onions, and a slice of Monterey Jack cheese. Top off the sandwiches with the remaining slices of bread. Return the sandwiches to the grill, turning when the bottom is golden brown

Step 8
Return the sandwiches to the grill and grill them until the bread is toasted and the cheese melts, about 2 minutes per side.