1) cook the fish fingers according to the packet instructions
Step 2:
2) warm through the bap if you like, in the toaster or pop in the oven for a few mintues
Step 3:
3) once the fish fingers and cooked and piping hot, assemble your bap by spreading a bit of butter then piling up the fish fingers, lettuce and a big dollop of sauce between the warm bap.. Delicious !