In a medium saute pan bring olive oil over medium-high heat.  Add onion and garlic and peppers and cook until soft. Add tomatoes and stir well.  Add harissa powder and salt and pepper and stir again. 

 Using the back of a spoon make a well in the sauce and gently crack an egg into the well. Repeat with remaining eggs.  Cook for a few minutes more then cover to finish cooking the egg to your desired doneness. Sprinkle with extra harissa for garnish.