America'S Test Kitchen Chunky Tomato Sauce For Lasagna - cooking recipe

Ingredients

1 tablespoon olive oil
1 onion, minced
salt
6 garlic cloves, minced
28 ounces crushed tomatoes
28 ounces diced tomatoes
1/4 teaspoon dried oregano
1/8 teaspoon red pepper flakes
pepper

Preparation

Heat the oil in a large saucepan over medium heat until shimmering.
Add the onion and 1 teaspoon salt and cook until softened, about 5 minutes.
Add the garlic and cook until fragrant, about 30 seconds.
Stir in the tomatoes with their juice, the oregano, and red pepper flakes.
Simmer until the sauce is slightly thickened, about 15 minutes.
Season with salt and pepper to taste.