PREHEAT oven to 350°F. Place beans, 1 cup of the cheese, cream cheese, sour cream and ground red pepper in blender or food processor container; cover. Blend until smooth. Stir in green onions.
SPREAD into 9-inch pie plate.
BAKE 20 min. or until lightly golden brown. Top with remaining 1/2 cup cheese and tomato. Serve with crackers.