1.Heat a non-stick frying pan on high and spray with cooking oil.
2.Fry bacon, turning, 3-4 minutes, until well browned. Transfer to a plate and keep warm.
3.Spray same pan with a little more oil. Add eggs and fry 2-3 minutes, until cooked to taste (turn, if desired).
4.Top bottom half of each bun with a lettuce leaf. Arrange even amounts of bacon and tomato slices on top. Finish with an egg and sauce of choice. Cover with other half of bun and serve.