How long do i cook a nine pound beef brisket in oven and at what temp?

Oven temperature: 275°F (135°C)

Instructions:

1. Preheat the oven to 275°F (135°C).

2. Trim excess fat from the brisket.

3. Season the brisket with salt, pepper, and your desired spices and rub.

4. Place the brisket in a large roasting pan or Dutch oven, fat-side up.

5. Add 1-2 cups of liquid (such as beef broth, water, or red wine) to the pan.

6. Cover the pan tightly with foil.

7. Bake the brisket for approximately 4 hours, or until the meat reaches an internal temperature of 200°F (93°C).

8. Let the brisket rest for at least 30 minutes before slicing and serving.