Toast both slices of bread in a toaster.

Heat up a frying pan and add the oil and put chopped onion and red bell pepper in the pan with pinch of salt and pepper powder.

Take out the bread from the toaster and place lettecue, slices of turkey, lettuce, fried onion and pepper, slice of cheese, and slices of tomatoes and place the second bread on top of it.

Cut in half and serve it.