1. Combine tomatoes and beer in medium saucepan; bring to a boil over medium heat. Meanwhile, toss cheese with cornstarch until coated.
2. Reduce heat to low; cook 3 to 6 minutes, adding cheese mixture, 1/2 cup at a time, and stirring constantly until cheese is melted. Do not boil.
3. Stir in beef and kale; continue cooking 3 to 5 minutes or until beef is heated through, stirring frequently. Pour into serving dish. Serve immediately with serving suggestions, as desired.