Cut the duck meat into bite-sized pieces.
Thinly slice the cabbage.
Lightly sauté the cabbage in a pan until just wilted.
Pan-fry the duck meat without oil until golden brown, then let it cool.
Spread the cabbage on a baking pan to form a pizza crust shape.
Top with the duck meat and arugula.
Add a little cheese and tomato sauce to taste.
Bake in the oven at 180°C (356°F) for 10 minutes to finish.