It should be clear that eating 7 organs of Halal Animal is makrooh-e-tehrimi. Flowing blood, parts of female and male for excreting urine, part for excretion stool, testicles, prostate, blood clot, gall bladder. Therefore, it is not permissible to make food items using testicles
Allah knows best
Darulifta Al Ikhlas, Karachi