Penne With Beans

Preparation:

Preparation: Clean and chop the onion; put it in 1 saucepan with 4 tablespoons of oil and 20 g of butter and let it dry. Cut the tomatoes into fillets and add them to the onion; let the sauce thicken for 10 minutes. Then add the drained beans, the washed and chopped parsley and 1 grind of pepper. Add salt, mix and cook for another 2 minutes. Boil the pasta al dente; drain it and pour it into the sauce container, frying everything together and serve immediately.