Place bell pepper halves, skin sides up, on a foil-lined baking sheet, and flatten with hand. Broil 8 minutes or until blackened.
Place roasted pepper in a paper bag, and fold to close bag tightly.
Let stand for 5 minutes. Peel and chop bell pepper.
Place 3 tablespoons bell pepper in a medium bowl; reserve remaining pepper for another use.
Add cream cheese and next 6 ingredients (through bacon) to pepper in bowl, and stir until well blended. Carefully make a slit in each squash blossom; open and spoon 2 tablespoons cheese mixture into each blossom. Press to close.