You need 1 ingredient. The key ingredients include: ["The Chicken and Mushroom Ragu", "12 ounces mushrooms, chopped (4 cups); I use portobellos, crimini, and, if available, one or two porcini.", "1 1/2 tablespoons olive oil", "3 or 4 chicken thighs, depending on size of the pieces, and your appetites", "3 tablespoons flour for dredging, preferably Wondra", "3/4 cup red wine, divided (I use a Burgundy or Cotes du Rhone for this.)", "1 medium yellow onion, chopped", "3 medium shallots, thinly sliced", "1 heaping tablespoon of bacon fat, or butter or oil, or a combination", "Salt", "1/2 teaspoon ""white curry"" spice mix (see below)", "2 ounces Black Forest ham or 1 ounce prosciutto, finely chopped", "1 1/2 cups diced tomatoes in juice (canned is fine)", "3 medium carrots, cut into 3/4-inch slices", "1 teaspoon finely chopped fresh marjoram leaves, or a hefty pinch of dried", "1 1/2 teaspoons coarsely chopped fresh thyme leaves, or a hefty pinch of dried", "3/4 cup chicken stock", "2 tablespoons chopped fresh parsley", "Freshly ground pepper, to taste", "For the ""white curry"" spice mix", "2 teaspoons cumin seeds", "2 teaspoons coriander seeds", "1/4 teaspoon cardamom seeds", "1 very small cinnamon stick", "1 teaspoon yellow mustard seeds", "5 whole cloves"].