It's simple.
Ingredients: tomato sauce, mushrooms and beef.
Step 1: Cook the mushrooms and beef.
Step 2: Chop the mushrooms and beef.
Step 3: Stir-fry tomato sauce with a little mushrooms and beef, and add some seasonings such as black pepper according to your own taste, and pour it on the cooked pasta.
The specific materials should be decided according to your own taste.
I hope it helps you.