Heat oven to 350 degrees. Grease loaf pan (8 1/2 x 4 1/2 x 2 1/2 inches. Mix all ingredients in bowl thoroughly. Salt and pepper to taste. Press firmly in loaf pan. Bake until turkey is no longer pink and mixture is firm, about 1 1/4 hours. Let stand 10 minutes. Top each serving with catsup if desired. Note: Recipe can be doubled. Bake in waxed paper-lined 6 cup ring mold about 1 1/4 hours.