Roasted Cauliflower Flatbreads with Celeriac Puree
PUREE:One 1-pound celeriac, peeled and cut into 1-inch pieces1/4 cup extra-virgin olive oil1/4 cup fresh lemon juice1 teaspoon chopped thyme leavesFine Himalayan pink saltTOPPINGS:One 1 1/2-pound head of purple cauliflower, cored and cut into 1-inch florets2 tablespoon extra-virgin olive oil,...