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Hidden hunger is a risk factor for many health problems, including stunting, which is one of the globally prevalent signs of malnutrition. Stunting can be reduced through feeding on animal source foods. In our study, some animal source foods (egg, butter, yoghurt, and white cheese) in addition to other nutritious ingredients (wheat flour, minced fresh carrot, wheat germ, yeast, and iodine salt) were used to prepare four samples of crackers, with different taste (cumin, paprika, tomato, and cheese). The dough from all ingredients was prepared, flattened, cut then baked to prepare the crackers. These crackers were organoleptically and physically evaluated. Antioxidant activity, total phenolic content (TPC) and total flavonoid contents of the crackers' samples were determined. The cuminflavored crackers (the highest in TPC, flavonoids, and antioxidant activity) was evaluated for its macro-and micronutrients and studied in malnourished rats. Two groups of rats (each of 12) were fed on a balanced diet and a protein-deficient diet, respectively for 3 weeks. Six rats from each group were sacrificed and the remaining rats were fed on a balanced diet and diet supplemented with the cumin-flavored crackers, respectively for 5 weeks. The cumin-flavored crackers (100 g) contained 15.64 g protein, 231.00 mg calcium, 4.00 mg zinc, 83.75 µg iodine, arginine (16.53 mg/g protein), and lysine (19.30 mg/g protein). Malnutrition, immunodeficiency (as evidenced by a drop in cluster of differentiation 4 (CD4), cluster of differentiation 8 (CD8) and CD4/CD8 ratio), and stunting (as evidenced by a decrease in rat length, femur length, and insulin growth factor-1) were all observed in rats fed a protein-deficient diet for 3 weeks. Also, femur calcium and magnesium decreased in the malnourished rats. The dietary intervention with the cumin-flavored crackers reversed the reduction in aforementioned parameters in the malnourished rats. The cumin-flavored crackers may improve growth retardation and related immunodeficiency in previously malnourished rats. [ABSTRACT FROM AUTHOR]