
Prepare the tomato sauce. Place the pan on medium heat, add olive oil and fry the garlic and leek. Pour in the tomato mixture, add salt and pepper. Pour in the cream and cover with a lid. Simmer for 15 minutes on low heat.
Cook the penne. Pour boiling water from the kettle into a saucepan, set it on medium heat, pour in the penne and stir. Cook according to the instructions on the package, stirring constantly. Then drain the water through a colander, and put the penne back into the saucepan.

Combine ingredients. Combine penne with tomato sauce and mix well. Add basil.