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Keto Marinara Sauce Recipe

Louise | July 8
Keto Marinara Sauce Recipe #keto

This keto marinara sauce recipe is the perfect companion for your low-carb “pasta” recipes – and for dipping!

Marinara Sauce vs. Tomato Sauce

As I come up with various new concoctions for the keto diet, I wondered if everyone even knows the difference between marinara and tomato sauce.

After all, many people use the sauces interchangeably. And they are in fact quite similar.

Marinara is a simpler sauce. It’s usually quick to prepare – just like this keto marinara sauce. It’s usually seasoned with ingredients such as garlic, basil, Italian seasoning, crushed red pepper flakes, and salt and pepper.

Tomato or spaghetti sauce presents a little differently. It’s typically thicker than marinara sauce. This can be achieved by leaving pureed tomatoes to stew for a while.

Sometimes ground beef or other meats are added to tomato sauce to flavor it and add thickness.

What to Eat With This Marinara Sauce

Pasta is the obvious answer, but how are you supposed to eat pasta if you’re trying to remain in ketosis?

Unfortunately, you’re not. However, there are some substitutes that are pretty darn tasty, and low in carbohydrates.

The squash family is a wonderful source for fake noodles. Spaghetti squash is one of my favorites, but zucchini is popular too. If you’re short on time or feeling lazy, you can pick up a package of zucchini that has already been turned into noodles for you.

Shirataki noodles also work well as a spaghetti stand in on the keto diet.

Veggie noodles and shirataki are great options, but there are even more ways to use this tasty low-carb keto sauce.

For example, it’s fantastic for dipping. Make yourself some warm keto flatbread, which is lovely with marinara sauce. It also makes a nice dip for broccoli or cauliflower.

You could also use it to make chicken Parmesan (still delicious without cheese!). Bottom line, however you choose to eat this keto marinara sauce, it will be delicious!

Keto Marinara Sauce Recipe #keto

Keto Marinara Sauce Recipe #keto

Keto Marinara Sauce Recipe

  • Author: Louise Hendon
  • Prep Time: 5 minutes
  • Cook Time: 5 minutes
  • Total Time: 10 minutes
  • Yield: 20 servings (2 Tablespoons per serving) 1x
  • Category: Condiment
  • Cuisine: Italian



  1. Add olive oil to a frying pan and sauté the diced onions for a few minutes.
  2. Then add in the rest of the ingredients into a small saucepan on a low heat and simmer for 10 minutes.


All nutritional data are estimated and based on per serving amounts.

Net Carbs:  2 g


  • Calories: 25
  • Sugar: 2 g
  • Fat: 1 g
  • Carbohydrates: 3 g
  • Fiber: 1 g
  • Protein: 1 g

Louise co-founded Louise's Foods, Paleo Living Magazine, Nourishing Brands, & CoBionic. She has considerable research experience but enjoys creating products and articles that help move people just a little bit closer toward a healthy life they love.