Put chopped bacon pieces into a skillet. Drizzle with olive oil and fry for approximately 4 minutes on each side on moderate heat until it renders and browns.
In another skillet, fry scrambled eggs in butter, season with salt and pepper.
Peel the avocado and cut into slices.
Toast the bread in a toaster, place on a plate, arrange scrambled eggs alternating with avocado and pieces of bacon.