Biscuits are widely consumed ready-to-eat and convenience foods worldwide by people of all ages, yielding more nutrients than any other food source. In fact, they are the largest snack food category in most parts of the world. Generally, cookies are recognized as flat, hard and crunchy foods. Traditionally, the process of making cookies is quite simple with basic ingredients consisting of flour, eggs and sugar. Say no to plagiarism. Get a tailor-made essay on “Why violent video games should not be banned”? Get an original essay They are usually made from soft wheat, a grain grown in many parts of the world, but imported by countries with climatic conditions unfavorable. Therefore, to produce bakery products, regions with limited wheat flour resources must rely on imports or exclude wheat products from their diet. Due to the high cost, geographic scarcity and high demand for wheat flour, strong initiatives are being taken to provide an alternative source of flour. It is therefore economically advantageous to reduce wheat imports by replacing it with other nutrient-rich materials. This led to the idea of ​​composite flour. Composite flour has been defined in many researches as a combination of wheat and non-wheat flours for the production of sourdough breads, other baked goods such as biscuits, biscuits and doughs. The substitute should be readily available, inexpensive and capable of replacing wheat flour in terms of functionality. In the search for a wheat substitute, flour with better nutritional quality than wheat would be highly desirable, particularly in developing countries where malnutrition is widespread. It is an excellent way to improve the nutritional quality (proteins, minerals, vitamins and bioactive compounds) of foods through the incorporation of less expensive wheat-free flour for the enrichment of food products. Banana (Musa sapientum L) is one of the major fruit crops in Bangladesh in terms of production and area. It is one of the economically important fruit crops grown in Bangladesh both in household and commercial farms. It is available all year round and its consumption rate is higher than that of any other fruit. It is one of the cheapest, most delicious and nutritious fruits. Banana is very nutritious and more digestible than many other fruits. Bananas are popular for their aroma, texture and ease of peeling and eating. Banana is a rich source of calories, as well as most of the vitamins essential to human nutrition. Bananas are also rich in carbohydrates, potassium and vitamins, including A, C and B6, and are a good source of fat-free dietary fiber. Growing interest in finding new sources of dietary fiber containing specific bioactive constituents may add new beneficial properties to traditionally marketed products. . Currently, the peels of various fruits are considered a natural source of antioxidants and dietary fiber. Thanks to these properties, banana peel has attracted attention as recent reports suggest it as a very good source of dietary fiber and antioxidants. Additionally, banana peel is a rich source of high total starch (73.4%), resistant starch (17.5%) and dietary fiber (14.5%), protein, fats and micronutrients). In..