Your instant pot is the perfect appliance to turn to if you want tender, juicy beef brisket done quickly. Here, we cut the brisket in half so it can fit inside the pot. After it's seared, it's cooked with plenty of onions that add body once blended into the flavorful, rich sauce. If you are making this brisket for passover, look for products (like ketchup) that are labeled "Kosher for passover. "