Preheat the oven to 200°C.
Remove the seeds from the squash and cut into wedges with skin on.
Toss the squash in olive oil and season with salt and pepper.
Grill the squash in a hot griddle pan for 5 minutes until marked.
Place squash on a baking sheet, sprinkle with curry powder, and top with 50g butter.
Bake the squash in the oven for 10 minutes.
Heat a frying pan, melt 25g butter, and sauté sliced garlic for 1 minute.
Add shredded cabbage to the pan and cook for 10 minutes until wilted.
Season the lamb steak and sear on a high-heat griddle pan for 90 seconds per side.
Serve the lamb on top of a bed of cabbage and curried squash.