1/2 pound root vegetables (i like a mixture of 4 carrots and like smoked ham hock or pork shank, smoked turkey leg or smoked jowel vegetable or olive oil 2 tablespoons butter 1 1/2 pounds (about 6 small) leeks, washed, roots cut off, cut in half lengthwise and each half sliced crosswise into 1/4-inch pieces 3/4 to 1