Heat the olive oil in a medium pan on medium fire, sauté onion until soft, add the minced garlic and sauté for 1 minute.
Add the tomatoes and sauté for another 5 minutes until soft.
Beat the eggs in a small bowl and pour into pan, increase heat, mix quickly with a spoon carefully not smashing the tomatoes and heat for about 2 minutes until the eggs thicken.
Add crumbled feta and stir until blended
Remove from pan, serve on plate. Add salt (as needed.