Ingredients:

1 (4 pound) beef sirloin roast
3 tablespoons olive oil
1/2 teaspoon cayenne pepper
1/4 teaspoon salt
1/8 teaspoon ground black pepper
2 tablespoons butter
1/2 cup chopped onion
2 garlic cloves, crushed
2 cups half and half
1/4 cup prepared brown mustard
1/4 cup Worcestershire sauce
1/8 tablespoon ground black pepper
1 (16-ounce) package egg noodles
2 tablespoons butter
1 tablespoon fresh chopped flat-leaf parsley

Method:

1. Rub a beef tenderloin roast with olive oil and season with cayenne pepper, salt, and 1/8 teaspoon pepper. Grill over hot coals for 20 to 30 minutes, turning often.
2. Meanwhile, melt butter in a skillet and saute chopped onion and crushed garlic cloves until soft. Add half-and-half and cook until thickened. Stir in prepared brown mustard, Worcestershire sauce, and 1/8 teaspoon pepper.
3. Meanwhile, prepare noodles according to the package directions; drain and toss with butter and parsley.
4. Slice beef and serve with mustard sauce on top of noodles.