Preheat oven to 425 degrees. When ingredient appears in recipe, remove from packaging. Thoroughly rinse any fresh produce and pat dry.
Mix butternut squash, Brussels sprouts, 1 tsp. olive oil, ¼ tsp. salt, and a pinch of pepper in provided tray. Top with butter. Roast in hot oven until starting to soften, 10 minutes.
If using sirloin steaks, follow same instructions.
[AFTERPARTY: new photo w/ partially cooked veg]