Roux

Ingredients

• 1 lb Halibut (Alaskan or Californian, whatever is freshest)
• 1 sweet potato, medium sized
• 2 bunches baby turnips, greens attached
• 1 bunch baby carrots with tops
• 1/4 pound small Brussels sprouts
• 10 cloves garlic, whole and peeled
• 6 oz butter
• 4 tbsp canola oil, plus more if necessary
• 1 lemon
• 2 sprigs of thyme