One head of cauliflower
1 1/2 cups water
1 cup whole milk
2 tablespoons vegetable oil plus more for brushing
Salt and freshly ground pepper
Heat oven to 350°F. Using sharp heavy knife and starting at top center of cauliflower head, cut two 1-inch-thick slices of cauliflower, cutting through stem end. Set cauliflower steaks aside.
Cut enough florets from remaining cauliflower head to measure 3 cups. Combine florets, water, and milk in medium saucepan, and sprinkle with salt and pepper. Bring to boil and cook until cauliflower florets are very tender, about 10 minutes. Strain, reserving 1 cup cooking liquid.
Transfer florets to blender. Add half of the reserved 1 cup cooking liquid and puree until smooth. Add more of the liquid if desired, and puree again. Return puree to same saucepan.
Heat 2 tablespoons vegetable oil in heavy large ovenproof skillet over medium-high heat. Brush cauliflower steaks with additional oil and sprinkle with salt and pepper. Add cauliflower steaks to skillet and cook until golden brown, about 2 minutes per side. Transfer skillet to oven and bake cauliflower steaks until tender, about 10 minutes.
Rewarm cauliflower puree over medium heat. Divide puree between 2 plates; top each with cauliflower steak.
Tasty additions : finely chopped parsley with fried capers or kalamata olives.
Source : Food52