Start by measuring out the ingredients listed. you'll find more tips and substitutions on the blog. And you'll find all my favorite ways to use marinara sauce in your kitchen..
Then preheat a skillet over medium heat. Add the olive oil and briefly sauté the garlic until fragrant, about 30 seconds before adding in the blended tomatoes.
Simmer the sauce over low heat for 20 minutes or until thickened. Try not to stir so the sauce doesn't splatter, the liquid will build on the surface as the sauce cooks undisturbed. Remove the basil sprig.
Serve the marinara as desired, both pasta and Chicken Parmesan are great as well as the other suggestions on the blog. You can also meal prep this and freeze to have on hand for quick and easy meals.