When cooking beef brisket in a slow cooker, you typically do not need to add a large amount of water. The slow cooking process allows the meat to cook in its own juices, resulting in a flavorful and tender dish. Here's a general guideline for adding liquid to your slow cooker when cooking beef brisket:
Start with a minimal amount of liquid: You can begin by adding about 1/2 to 1 cup of liquid to the slow cooker. This can be beef broth, water, or a combination of broth and some seasonings (like soy sauce, Worcestershire sauce, or liquid smoke) to enhance the flavor.
Place the brisket in the slow cooker: Put the beef brisket into the slow cooker, fat side up, so it can render and baste the meat during the cooking process.
Add any additional seasonings: Sprinkle your desired seasonings and spices over the brisket. You can use a dry rub or a marinade to add flavor.
Cook on low and slow: Cook the beef brisket on low heat for 8 to 10 hours or on high heat for 4 to 6 hours, depending on the size and thickness of the brisket.
Remember, the brisket will release its own juices as it cooks, so the small amount of liquid you initially add will be sufficient. If you prefer a saucier result, you can add more liquid or barbecue sauce during the last hour of cooking.
Additionally, some recipes may call for using vegetables, such as onions and carrots, to line the bottom of the slow cooker. This can add some moisture and flavor to the dish as well.
Always check your slow cooker's manual for specific guidelines, as cooking times and liquid requirements may vary slightly depending on the brand and model.