3  tablespoons vegetable oil 2  broiler-fryer chickens (21/2 to 3 pounds each), cut in serving-size pieces 2  cans (8 ounces each) tomato sauce 1  can (133/4 ounces) chicken broth 2  tablespoons (1/2 envelope) dry onion soup mix 3/4 cup chopped onion 1  clove garlic, minced 6  tablespoons crunchy peanut butter 1/2 cup cream 1/2 teaspoon [...]