Heat oil in a large pan over medium heat. Also preheat oven to broil.
Cut chicken into small pieces.
Add chicken to pan and cook through. When finished, mix in pesto.
Wash and dry arugula
Wash and slice tomatoes
Cut your baguette into 3 sandwiches.
Spread pesto on baguette
Add cheese to bread
Melt cheese and toast bread in oven until desired done-ness.
After cheese melts, remove from oven.
Salt and pepper!