1 onion, minced
1-2 cloves garlic, minced (alternatively, garlic powder or ready-minced garlic in oil)
1 large can diced or whole tomates, or 8-10 fresh ones, roughly chopped
1 small can tomato paste, OR 1/2 cup ketchup and 1 tbsp brown sugar
splash balsamic vinegar
dried herbs: rosemary, oregano, basil, thyme, salt, pepper
optional: minced beef or rough chopped sausage
any veg you have lying about: green, orange, red or yellow bell pepper are good, fresh spinach, or carrots, or celery, or all of the above
Saute the onion, garlic and vegetables/ beef, sausage if using (not the spinach though, if using it, add at the end)
Add tomatoes/ tomato paste/ ketchup and brown sugar.
Bring to a boil, add dried herbs and salt and pepper, and splash of balsamic vinegar, and then simmer for 10-15 min.
Taste, add a little bit of brown sugar if it's too acidic, toss in spinach, stir until it wilts.
If your toddler won't eat spag sauce with bits in it, you can take out a portion and puree it.