Heat oil in a frying pan and fry thinly sliced undercut pieces in it.
Add Worcestershire sauce crushed and powered black pepper and salt. Leave to cook in its own water.
When water dries up and meat gets tender, take it off flame.
Cut cucumbers into round; remove the white part of capsicum and cut it into thin rounds. Cut the crusts of the bread slices and spread mayonnaise over them. Place salad leaves on top and then pieces of prepared meat on each slice.
Spread mayonnaise over the meat and sprinkle crushed black pepper on them.
You can either serve by placing bread slices on top or you can serve them open-faced.