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Homemade Marinara made from scratch with simple ingredients
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4.05 from 150 votes

Homemade Marinara Sauce Recipe

This homemade Marinara Sauce is made with slowly caramelized onions, garlic, tomatoes and Italian seasoning.  These simple ingredients are cooked low and slow for the most rich and flavorful sauce to use for all of your Italian favorites.
Prep Time20 mins
Cook Time2 hrs 20 mins
Total Time2 hrs 40 mins
Course: Sauce
Cuisine: Italian
Servings: 8 cups
Calories: 116kcal
Author: The Carefree Kitchen


  • 4 Tablespoons Olive Oil
  • 3 Large Onions white or yellow, diced
  • ¼ Teaspoon Baking Soda
  • 4 Cloves Garlic minced
  • 2 28-oz Cans Crushed Tomatoes
  • 1 14.5-oz Can Diced Tomatoes
  • ¼ Cup Italian Seasoning
  • 2 Tablespoons Sugar
  • 1 Tablespoon Garlic Salt
  • 1 Tablespoon Garlic Powder
  • 1 Tablespoon Onion Powder
  • ½ Tablespoon Salt
  • ½ Tablespoon Pepper


  • Heat a large dutch oven over medium heat. Add the olive oil and heat until shimmering, then add the onions and baking soda.
  • Stir so they are all coated in the oil, then reduce heat to medium low. Cook, stirring occasionally, until they turn a deep, rich, golden hue - about 20 minutes.
  • Once the onions are caramelized, add the garlic.  Saute until the garlic is golden, or about 3-5 minutes.  
  • Add the rest of the ingredients and simmer on low for for about 2 hours, stirring occasionally. 
  • After the marinara sauce has cooked, taste and season with more salt and pepper if desired, then remove from the heat and let cool slightly before using immediately. Or, cool completely and store in jars or an airtight container. Enjoy!



Calories: 116kcal | Carbohydrates: 13g | Protein: 1g | Fat: 7g | Saturated Fat: 1g | Sodium: 1420mg | Potassium: 223mg | Fiber: 2g | Sugar: 6g | Vitamin A: 85IU | Vitamin C: 9.3mg | Calcium: 58mg | Iron: 1.3mg