Put the chicken breast between two pieces of cling film and bash with a rolling pin or pan up to about 1 cm thick. Then transfer the chicken is to the large bowl. I Mix the chipotle paste with half the lime juice. Spread the paste over the chicken and use your hands to rub it into the chicken.
Then transfer the chicken is to the large bowl. Mix the chipotle paste with half the lime juice. Spread the paste and some seasoning over the chicken and use your hands to rub it into the chicken.
Heat a griddle pan to hot over medium-high heat. Cook the chicken on one side for 3 minutes until it is cooked through. Top each breast after turning, with a slice of smoked cheese. Cook the other side for another 2 minutes. Transfer to a plate for a 2 minute rest period.
Meanwhile, make the guacamole. Scoop the avocado flesh into a bowl and mash with a fork until smooth. Stir in the cherry tomatoes, jalapeño, and garlic, and season with a little salt.
Toast burger buns, cut-side down, for 1-2 minutes on the griddle pan.
Top the bun base with lettuce leaves, the chicken breasts, and a big spoonful of guacamole, then sandwich with bun top