Early in the day, roast the pumpkin seeds and the butternut squash.
Grill the skirt steak to rare or medium-rare. Once finished cover with aluminum foil and let rest.
In the meantime, grill the halloumi cheese for about 5 minutes per side.
Place arugula on 4 dinner plates.
Top with skirt steak, cheese, and butternut squash.
Sprinkle with pumpkin seeds.
Drizzle walnut oil, vinegar, salt and pepper to taste.
Serve with pumpkin bread.