1, with the ingredients: pasta, 1 piece of beef, 2 tomatoes, 1 onion, 2 red bell peppers, 1 green pepper, a number of cloves of garlic, pepper, 1 teaspoon of pepper, a little black pepper, 1 teaspoon of butter, salt, cooking oil, soy sauce, water.

2. Wash and cut the beef into long strips; cut the red bell pepper, green pepper, and onion into julienne strips; mince the garlic; peel the tomatoes and cut them into cubes; and then plate them all for later use.

3. Add 1 teaspoon of butter, 1 teaspoon of pepper, and a pinch of black pepper to the beef tenderloin and marinate for about 15 minutes.

4: Boil hot water in a pot, then put the pasta in the hot water, after 10 minutes or so, remove the pasta and soak in cool water.

5, hot pan pour oil, oil is hot, the marinated beef tenderloin into the pan sautéed, meat coloring add garlic continue to sauté, when the meat is brown, add the onion and stir fry for about 1 minute.

6, into the red bell pepper, stir fry red oil, and then into the tomato diced, the tomato juice fully fried out, and add the right amount of salt, and the right amount of soy sauce, stir fry for 10 seconds.

7, the shredded green pepper, drained pasta into the pot, stir-fry on high heat for about 15 seconds.