Preheat oven to 200 degree C.
Mix all the ingredients for salad and set aside.
Heat oil in a pan, add garlic and onion and saute for a min.
Add in barbeque sauce and mix well. Bring it to a boil.
Add in chicken and mix well.
Take burger bun and slit it open.
Top with the chicken filling, top with cheese slice.
Cover it up with other half.
Wrap in foil and pop it in oven.
Bake for 5 to 8 mins.
Remove and serve with salad.