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1
Preheat panini press to 375F.
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2
(You can also use a heavy skillet or grill pan on medium heat, just flip chicken/sandwich halfway through cook times noted below.
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3
A George Forman-like grill works well, too.)
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4
Butterfly each chicken breast, or pound until thin.
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5
Rub all over with kosher salt to taste and chipotle chili powder.
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6
Cook chicken in the panini press until center is firm and juices run clear, about 6 minutes.
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7
(Be careful not to overcook chicken or it will be too tough in the sandwich.)
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8
Transfer to a plate and slice each breast in half.
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9
While chicken is cooking, slice avocado in half and remove the pit.
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10
While still in the skin, make about 1/4 inch thick slices (lengthwise) and scoop the slices out of skin with a spoon.
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11
Brush one side of each bread slice with olive oil.
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12
Turn slices over and spread with mayonnaise.
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13
Spread 1/4 cup of cheese on each of 4 bread slices.
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14
Top with chicken, avocado, another 1/4 cup of cheese, and remaining bread slices, oiled side up.
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15
Place sandwiches on the panini press (however many will fit) and cook until bread is golden and crisp and cheese is melted, about 4 minutes.
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16
Cook remaining sandwiches.
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17
Enjoy!
