Beef Tenderloin

INGREDIENTS

5 lb

(2.5-3 kg) beef tenderloin, (trimmed)

3 tsp

coarse salt

1 1/2 tsp

fresh cracked black pepper

2 tbsp

canola or vegetable oil

1/2 cup

unsalted butter, (divided)

large cloves garlic, (minced)

1/2 tsp

Dijon mustard ((optional))

2 tbsp

vegetable or canola oil

onion (or brown shallots) (finely chopped)

1 1/2 cups

dry red wine ((Merlot or Pinot Noir))

2 cups

beef stock or broth

sprig fresh thyme or rosemary

1/8 tsp

ground black pepper

1/4 tsp

salt