Beef Stew without mushroom cumin cabbage russet

2 tablespoons safflower oil 2 tablespoons butter, unsalted 2 pounds stewing beef or lamb or pork, cut into 1-in cubes 3/4 teaspoon salt 1 x black pepper[...]

3 3/4 cups beef cubed * 2 cups beef stock prefer veal stock if possible 1/2 bunch leeks * 1 small turnip * 1 small carrot 6 small potatoes scrubbed 1 each[...]