paste , then add the chopped tomatoes and mix together well.
add the paste you made earlier to the sauce, and combine with a wooden spoon.
cook for a few minutes , until hot.
in a separate pan , melt 25 g butter , then fry off the meatballs until brown all over .
when the meatballs are cooked , add them to the pan with the tomato sauce and mix in well. cook for a further 10 - 15 minutes . 