Tough biscuits are characterized by depressions, indentations and pinholes on the surface. The surface of the product is flat and smooth, and the cross-sectional structure has a layered feeling. When chewing, it has a crunchy feeling, chewy and crisp. The ratio of sugar to oil in tough biscuits is lower than that in crisp biscuits. Generally, the amount of sugar is below 30%, and the amount of oil is below 20%. Crispy biscuits are characterized by protruding patterns, obvious patterns and delicate structure, accounting for 14%~30% of flour. For some special products with loose sweetness, the oil content can be as high as 50%.
Crispy biscuit: Baked food with convex shape, porous cross-sectional structure and loose taste, which is made of wheat flour, sugar and oil as main raw materials, fillers and other auxiliary materials, and baked by cold mixing flour, rolling, rolling or punching. Such as butter biscuits, onion biscuits, sesame biscuits, egg crisp biscuits, etc.
? Tough biscuit: Baked food with smooth appearance, flat surface, pinholes, layered cross-section and crisp taste, which is made of wheat flour, sugar and oil as the main raw materials, supplemented with auxiliary materials such as loosening agent and improver, and made into concave patterns by hot mixing, rolling, roll cutting or printing and baking. Such as milk cake, vanilla cake, egg cake, Mary cake, Boston cake, etc.
? Fermented (soda) cake: a crisp baked food with the unique flavor of fermented products, which is made of wheat flour, sugar and oil as the main raw materials, yeast as the loosening agent and various auxiliary materials. Fermented cake, also known as chocolate shelf, is divided into salty fermented cake and sweet fermented cake according to the formula.
Crispy biscuit: Crispy baked food with wheat flour, sugar and oil as the main raw materials, seasoning and other auxiliary materials, mixed powder, molded and baked.
Biscuit: A crisp baked food with three-dimensional patterns or regular ripples on the surface and high oil content, which is made of wheat flour, sugar and dairy products as the main raw materials, adding bulking agents and other auxiliary materials, and kneading dough by one of extrusion, strip extrusion and steel wire cutting.
Sandwich biscuit: a sandwich baked food with various fillings made of sugar, grease or jam as the main raw materials added between two biscuits.
? Wafer biscuits: Crispy baked food made of wheat flour (glutinous rice flour) and starch as main raw materials, adding auxiliary materials such as emulsifier and leavening agent, mixing flour, pouring and baking. Also known as waffles.
? Egg-shaped biscuits: Crispy baked food made of wheat flour, sugar and eggs as the main raw materials, supplemented by fillers, flavors and other auxiliary materials, which are whipped, mixed, poured and baked, commonly known as egg-shaped biscuits.
Egg roll: Crispy baked food made of wheat flour, sugar and eggs as the main raw materials, supplemented by bulking agent, essence and other auxiliary materials, through beating, mixing (fermented or not), hanging upside down, baking and rolling.
? Sticky cookie: a loose baked food made of wheat flour, sugar and oil as the main raw materials, dairy products, egg products, fillers, spices and other auxiliary materials, which are kneaded, molded, baked, cooled, covered with sugar flowers and dried.
Bubble biscuit: A kind of loose baked food with strong flavor, which takes wheat flour, sugar and eggs as the main raw materials, adds leavening agent, mixes flour, rolls it for many times, shapes it, scalds it in boiling water, soaks it in cold water and bakes it.
Pizza biscuit: on the basis of making crispy biscuits, add fruit particles (Zhan Cui: bergamot, blueberry, cranberry, etc. ), red beans, corn, purple potatoes, black beans, black rice and other materials increase healthy elements.
I hope this answer can bring you some help and be adopted.