Heat 1 tbsp olive oil in a medium pan over medium heat.
Add 1/2 medium finely chopped sweet onion to the oil and sauté until the onions are translucent, about 5-6 minutes, then add 2 cloves grated garlic and stir to combine.
Add 2 large pinches of dried basil and 1 pinch oregano and oregano and stir to combine.
Add 1 15-oz can chopped tomato1 8-oz can tomato sauce or 3/4 cup passata and 2-3 tbsp tomato paste. Stir and then add 2-3 tbsp tomato paste and stir again. Season with kosher salt and black pepper to taste.
Bring sauce to a boil, then reduce the heat and simmer, covered, for 15-20 minutes.
