Beef Tenderloin with Marsala without cherries cognac

3/4 lb shallot , peeled and halved lengthwise 1 1/2 tablespoons olive oil salt and pepper 3 cups low sodium beef broth (I use low-sodium, otherwise it's too[...]

1 x beef tenderloin roast (about 3 pounds)     Marinade 1/2 c. dry red wine 2 Tbsp. vegetable oil 1 Tbsp. soy sauce 1 clv garlic, chopped 1 tsp dry mustard[...]