Sweet potatoes, tofu and tomatoes are all delicious and can be used as meal replacement and fat-free soup during weight loss. Lactone tofu is commonly known as Japanese tofu. It uses gluconolactone instead of gypsum to light brine, which is not only more delicious, but also smooth and tender. Sweet potato is an alkaline food, which can neutralize excessive acidic substances produced by acidic foods and prevent acidification of blood and body fluids. In addition, sweet potato can also reduce subcutaneous fat, avoid obesity and prevent diseases. Let's explain the practice of sweet potato tofu tomato soup.

Ingredients: one sweet potato, 20g lactone tofu, 50g tomato sauce, 5g scallion, 5g salt, 3g pepper and water 1500g.

Exercise:

1. Put sweet potato pieces, green onions and water into a soup pot and bring to a boil.

2. After the water boils, add tomato sauce and cook again until the water boils.

3. Turn to slow fire for 20 minutes.

4. Add the cut lactone tofu and turn to medium heat to boil.

5. Turn the heat down for 5 minutes, then season with pepper and salt.

Health tips:

1. lactone is a white crystal, which is easily soluble in water and decomposes steamed bread at 25℃. Tofu made with it instead of brine and gypsum has tender texture, pure taste, delicious taste, no loss of protein and rich nutrition.

Under normal circumstances, eating sweet potatoes will not make you fat, because sweet potatoes are high-fiber foods, but they can promote gastrointestinal motility and reduce fat accumulation.