Children malnutrition in Indonesia, which is mainly caused by inadequate protein intake and poverty, called for low cost high protein source. Formulation of rice porridge, major choice (39%) of weaning food type based on initial survey, using overripe tempeh extract as protein source was done to fulfill infant protein requirement with acceptable sensory properties. Chopping increased efficiency of protein extraction by more than 4-fold and therefore extract from chopped overripe tempeh (CORTE)

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... oncentrate was selected for formulation. However, the bitter taste of CORTE hindered its usage as single source protein in the rice porridge formula. Formula series were derived from Design Expert software and screening was done based on calculation of energy, nutritional content, and price as formula responses. Screened formula were then further evaluated using hedonic sensory evaluation resulted in the selection of formula using 80% dry base, 9.30% isolate soy protein, 10.70% skim milk, which was cooked in 5 ml CORTE concentrate and 120 ml water. The selected formula was able to meet the national standard requirements, except for dietary fiber, has higher protein digestibility ratio compared to commercial weaning porridge, and was able to fulfill an acceptable portion of protein and indispensable amino acid requirements for infants.