Mashed Potatoes with butter

4 ounces bacon , cut into 1/2-inch pieces 2 tablespoons bacon fat 2 tablespoons butter 8 ounces turnips , peeled and cut into a 1/2-inch dice (about 1 1/2[...]

3 lbs russet potatoes (about 6) 6 leeks , chopped, washed well, and drained (white and pale green parts only) 6 tablespoons unsalted butter 1 tablespoon fresh[...]

3 lbs russet potatoes (about 6) 6 leeks , chopped, washed well, and drained (white and pale green parts only) 6 tablespoons unsalted butter 1 tablespoon fresh[...]