North tofu: North tofu, also known as old tofu, refers to tofu made by using bittern as adhesive. Its strength, elasticity and ductility are stronger than that of south tofu, and at the same time, its moisture content becomes lower, so the material of tofu is not smooth and it tastes hard. The protein content of Beidoufu is relatively rich, with the content of 12.2%, and the content of calcium and magnesium is also very rich. It is suitable for cooking some fried, fried and fried dishes. Today, our tofu meatballs are all made of north tofu. Because they are very hard, it is easier to report to the group to make meatballs.
South Tofu: South Tofu, also known as plaster of Paris Tofu, uses plaster of Paris as its molding agent. Compared with North Tofu, South Tofu is purple in color and tender in taste, with a protein content of about 6.2% (only about half that of North Tofu). South tofu needs more water than north tofu, and its material is fresh and tender, so it is suitable for frying, and it can also be used to mix cold dishes, steam, soup, stew and other dishes.
How to choose tofu?
1, smell: high-quality tofu smells strong bean aroma, poor quality tofu has no bean aroma, and even has a shallow fishy smell or the smell of chemical raw materials. 2, look at the color: the color of high-quality tofu is a little yellowish or light yellow, smooth and delicate. Fake tofu is dull, too white and purple, and may be added with bleach. Some tofu is regarded as dark gray or dark brown, so don't buy tofu with incorrect color.
3, shake: high-quality canned tofu, looks relatively flat, there is no bubble, can not squeeze water, there is no shaking feeling when shaking hands, there is a certain strength and elasticity. Inferior tofu has no toughness and strength, and it is easy to rot and break. When you squeeze it, you will produce water and shake it in your hand. Knowing the main points of the above knowledge, do you have a little more "curiosity" about tofu? It's better to try today's delicious tofu meatballs with low fat, which are more fragrant than meatballs. The method is simple and easy to get started, and the detailed process is below. Learn it quickly!
Fried tofu balls
Food: a piece of beancurd, cassava starch 1 00g, tomato 1 piece, 50g of carrot, sausage 1 piece, 5 Pleurotus ostreatus, 2 green onions and eggs1piece. 1, north tofu, it is best not to have lumps. . 2. Chop Pleurotus ostreatus, carrot, sausage and green onion, put them into tofu stuffing, beat an egg, put cassava starch, add 1 spoon oil consumption, 1 spoon salt, 1 spoon soy sauce, and mix well. . 3. Brush the oil in each column of the abrasive tool, grab a small group of tofu paste and make it into balls with a spoon, put it in the grid, and boil it golden on each side. 4, fried meatballs can be eaten directly, and you can also make a sauce. 5, the purser's favorite ketchup practice: tomato cross knife, peeled with boiling water, cut into diced. Boil the oil in the pot, add diced tomatoes, add a teaspoon of salt to help the tomatoes out of the pulp, then add a proper amount of water to cook the tomato sauce, stir well, pour it on the meatballs, and sprinkle with chopped green onion.