Method
Preheat oven to 375 degrees.
Combine risotto, 1/2 cup Monterey Jack cheese, Romano cheese, chives, bell pepper and garlic in medium bowl. Arrange mushrooms on baking sheet. Fill mushrooms with risotto mixture, mounding slightly. Sprinkle with remaining Monterey Jack cheese.
Bake for 20 to 25 minutes or until mushrooms are golden brown and cheese is melted.