Ingredients: a bowl of lean beef, carrots 1 root, sweet potatoes 1 piece, mushrooms 1-2 pieces, and 5-6 onions.

Accessories: olive oil, flour

1. beef is degreased, washed, cut into thin strips and coated with flour.

2. Cut sweet potatoes, carrots and mushrooms into pieces for later use. 3. Pour olive oil into the pot, add onion after the oil is hot, and stir fry for 3 minutes. 4. Add beef, stir-fry until the beef changes color, add mushrooms, add carrots and sweet potatoes, and stir-fry for 3 minutes. 5. After frying, put all the ingredients in a saucepan, add water to drown, boil over high heat and simmer for two hours. 6. After two hours, all the materials are filtered out and put into a cooking machine to be broken. Nutritious and delicious beef stew with vegetables is ready! 7. Don't filter out the remaining soup and waste it. Put it in the refrigerator and skim off the oil the next day, then put it in the freezer to make broth. Nutritional value of stewed beef with sweet potato and carrot;

1. Sweet potato is rich in carotene, which can provide rich vitamin A. Vitamin A is called "eye protection agent", and vitamin A is transformed from carotene. 2. The fiber content of sweet potato is 10 times of that of rice flour, and it is fine in texture and does not harm the stomach. It can accelerate the peristalsis of the digestive tract, help defecate, clean the digestive tract, shorten the residence time of toxic substances in food in the intestine, reduce self-poisoning caused by constipation, reduce the concentration of carcinogens in the intestine, and prevent hemorrhoids and colorectal cancer. At the same time, cellulose can absorb some glucose, reduce the sugar content in blood, and help prevent diabetes.