Recipes: Roasted cauliflower with lemon tahini

Preparation:   Preparation time: 5 mins Cooking time: 35 mins Serving: 4 Ingredients:    Cauliflower 2 heads cauliflower 1 yellow onion, sliced 4 sprigs thyme 4 cloves garlic 3 tablespoons olive oil Kosher salt and freshly ground black pepper, to taste 1 lemon, juiced  Tahini Sauce 1/4 cup tahini 3...