
Place the first seven ingredients in a 6 quart electric pressure cooker. Lock the lid and close the pressure-release valve. Adjust to pressure-cook on high for 15 minutes. Quick-release the pressure.
Select the saute setting and adjust for low heat. Mix the cornstarch and cream until smooth and stir the mixture into the soup. Cook and stir until slightly thickened, for about six to eight minutes. Stir in the cheese and bacon.
Heat through until the cheese is completely melted. Press cancel and then sprinkle servings with parsley and (if desired) additional cheese and bacon.