Cook butter and flour together until flour is well blended. Add half and
half. Cook until smooth and thickened, stirring constantly. Season with
salt, pepper, garlic salt, and onion salt. Add peas. Cut the tops off the
tomatoes and hollow out each tomato. fill with creamed pea mixture and
sprinkle with Parmesan cheese. Heat in a 450 oven until tomatoes are
heated through.
