Canned tomato coulis

1. Peel and cut the tomatoes into quarters. Peel the onion and cut it into strips.
2. Place the tomatoes and onion in a saucepan and cook over low heat with a little olive oil.
3. After 10 minutes of cooking, bring to medium heat and cook for another 10 minutes, stirring occasionally. Salt and pepper according to taste
4. Put everything in a blender then fill your jars Le Parfait Great with the tomato coulis up to 2 cm from the edge,
5. Close the jar of tomato coulis and immediately proceed to the heat treatment, 1 hour at 100°C.

Depending on your taste, do not hesitate to enhance your tomato coulis a few basil leaves.