Step 1

Whisk the eggs in a medium bowl. Add the cabbage and salt and toss well to coat the cabbage in the egg.

Step 2

Warm the oil in a large skillet on medium-high heat. Put the cabbage mixture in and flatten over the skillet. Lower the heat to medium and cook for 5 minutes. Flip with a spatula or two, cover with a lid and cook for 5 more minutes.

Step 3

Meanwhile mix the harissa mayo ingredients in a small bowl until smooth.

Step 4

Cut the frittata into pieces and serve.