Chili Tomato Sauce - cooking recipe

Ingredients

2 tablespoons olive oil
1/4 cup chopped onion (or to taste)
3 (8 ounce) cans tomato sauce
2 garlic cloves, minced
1 -2 tablespoon chili powder
1/2 teaspoon dried oregano
1 teaspoon salt

Preparation

Saute chopped onion and garlic in oil till translucent.
Add remaining ingredients; cover and simmer for about 20 minutes, till thickened, stirring frequently.
Put through a strainer, if you like (I never do).