Heat Queso Bravo Cheese Dip accroding to pouch directions.
Combine warm cheese dip, shredded cheese and hot water in medium stockpot. Heat over medium-low heat, whisking constantly, until mixture reaches 165°F and is smooth. Hold warm until service.
To build plate, place 2 tostadas on serving plate; top with 2 ounces brisket. Drizzle each with 1/2 ounce warm cheese sauce. Garnish as desired.