Pork Tenderloin in Pan Sauce without greens butter applesauce

1 lb pork tenderloin 1/4 teaspoon salt and pepper 2 tablespoons vegetable oil 2 large shallots , finely chopped (or 1 large onion) 8 ounces cremini mushrooms[...]

salt 1 lb pappardelle pasta or 1 lb fettuccine 2 pork tenderloin, trimmed (1 1/2-1 3/4 lb, total wt.) black pepper 1/2 cup all-purpose flour 2 tablespoons[...]