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In Malaysia, food waste is the most prevalent type of waste. This study suggests that producing organic fertilizer from food waste can help minimize food waste production in the country. Specifically, banana peels and eggshells were utilized to generate the organic fertilizer. Banana peels are rich in biomass fiber, nitrogen, potassium, and phosphorus, all vital components of organic fertilizer. Eggshells contain phosphate and calcium, both are essential for plant growth. Additionally, yeast provides nutrients that enhance soil quality for plants. The effectiveness of the organic fertilizer was assessed using chili plants. Growth parameters, such as plant height and total number of leaves, were measured to evaluate the fertilizer's efficiency and the pH value of the soil. Fourier Transform Infrared Spectroscopy (FTIR) was employed to analyze the soil composition, while pH meters were used to measure the soil's acidity or alkalinity. The results indicated that the optimal amounts of banana peel, eggshell, and yeast are 1.6g, 6g, and 1g, respectively, with a pH value of 7.1.