Spinach And Tomatoes - cooking recipe

Ingredients

2 (12 ounce) boxes frozen spinach
2 (16 ounce) cans diced tomatoes
1 onion, chopped (optional)
1 pinch basil (optional) or 1 pinch oregano (optional)
parmesan cheese
balsamic vinegar or red wine vinegar

Preparation

Combine spinach, tomatoes, onion and herbs in a small saucepan.
Heat to boiling then simmer 7-10 minutes or until onions are cooked.
Serve, passing parmesan and vinegar at the table for each person to add as they prefer.