Fecha de publicación: 11/01/2022 Fuente: Wipo "olive oil" The invention discloses a low-sugar low-fat black fungus and chenopodium quinoa willd nutritional fermented biscuit and a preparation method thereof. The low-sugar low-fat black fungus and chenopodium quinoa willd nutritional fermented biscuit comprises the following raw materials: high gluten wheat flour, low gluten wheat flour, puffed black fungus and chenopodium quinoa willd fermented pulp, complex sugar, sodium bicarbonate, table salt, L-carnitine, olive oil, whole egg liquid and purified water. The preparation method comprises the steps of blending and fermenting sponge dough, preparing dough, performing second-time fermenting, performing shaping and rolling, performing baking, performing packaging and the like. According to the invention, since the raw materials, such as the yeast fermented puffed black fungus and chenopodium quinoa willd mixed powder, stevioside, olive oil, soybean dietary fiber powder, L-carnitine are added, the biscuit is rich in nutrient substances such as protein and vitamins, high in content of slowly digestible starch and resistant starch, relatively low in sugar content and fat content, crisp but not greasy in taste, rich in black fungus flavor, and is very suitable for consumer people pursuing low sugar and low fat, diabetics, old people and the like to use.