Coat the bottom of non-stick skillet with butter over medium heat.

Place an egg ring or a pastry ring in the pan.

Separate the egg white from yolk, dropping only the white inside the ring. Reserve the yolk in the shell.

Cover the egg white, covered, for 2 minutes until the white sets.

Add egg yolk on top of the white and cook, covered, for 2 more minutes.

Separate the ring from the egg.

Place egg over a piece of buttered toast.

Salt and pepper to taste.