A laboratory manual guides students through the scientific manufacture of frozen desserts, combining equipment descriptions, sanitation practices, and stepwise laboratory exercises. It explains methods for standardizing mixes and testing fat and solids, the use of stabilizers, and principles of freezing, hardening, and measuring swell (overrun). Practical recipes and procedures cover plain, fruit, nut, custard, parfait, and molded products, ices and sherbets, and related preparations; supplemental exercises address microbial counts, gelatin testing, varying ingredients and processing treatments, judging criteria, and visits to commercial plants for applied observation.