This lentil and red pepper sauce recipe started off life as a soup, but by making it a little thicker, it makes a lovely, creamy sauce. It’s versatile and works well with pasta, made into a mild curry (with a few tweaks), or simply as a sauce to pour over your favourite protein and vegetables!

A bowl of spaghetti topped with creamy red lentil sauce, garnished with shaved parmesan and parsley, with slices of bread in the background.
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Nicky’s Recipe Notes

It seems to me that most sauces fall into 3 categories:

  • Tomato-based and/or tangy/spicy
  • Creamy and/or cheesy sauce
  • Gravy

I’m a big fan of all three. This sauce though? I think it needs its own category. It uses red lentils for a velvety earthy flavour, plus red peppers and garlic for a fresh, fragrant hit. It’s all finished off with a little creme fraiche, just to add a little richness.

Keep a stash of it in the freezer and you can use it in so many ways!

📋 Ingredients

A wooden board displays ingredients for a red lentil pasta sauce: red peppers, an onion, garlic cloves, a bowl of red lentils, creme fraiche, stock, chopped herbs, olive oil, salt and pepper.

Vegetable Stock – You can substitute this for Vegetable Bouillon to make it gluten-free.

📺 Watch how to make it

***Full recipe with detailed steps in the recipe card at the end of this post***

Pro Tip

Keep a stash of it in the freezer and you can use it in so many ways! I freeze it in individual portions so it’s quicker to thaw.

This is a great sauce to keep in the freezer when you’re in a pinch and need a hearty, fulfilling dinner that’s full of flavour!

A frying pan filled with a creamy, lentil and red pepper sauce, with a wooden spoon inside. Sliced bread, herbs, and bowls are visible in the background.

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🍽️ How to use it

Vegetarian

  • Stir into cooked pasta and sprinkle with grated (shredded) Cheddar for creamy lentil pasta.
  • Heat with cooked tofu pieces and 1 tablespoon of curry paste and serve with rice, topped with fresh coriander (cilantro) for a mild lentil curry bowl. Add in some quick-cook vegetables, such as courgette (zucchini) or sugar snap peas (snow peas) for some extra veg too.
  • Heat with an extra cup of stock (and blend together if not already blended) and serve as a soup with crusty bread.

Non-Vegetarian

  • Heat with cooked chicken and 1 tablespoon of curry paste and serve with rice, topped with fresh coriander (cilantro) for a mild lentil curry bowl. Add in some quick-cook vegetables – such as courgette (zucchini) or sugar snap peas (snow peas) for some extra veg too.
  • Drizzle over roasted chicken thighs and serve with steamed vegetables. I like to finish with a spoonful of chilli oil or sriracha too.

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Lentil & Red Pepper Sauce Recipe

This lentil and red pepper sauce is so versatile! Stir into pasta, use as a base for curry or pour over your favourite protein!
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Servings: 6 servings (approx 1/2 cup per serving)
Course: Sauces
Cuisine: Global

Ingredients

  • 2 tablespoons olive oil
  • 1 onion peeled and chopped
  • 2 red bell peppers deseeded and chopped
  • 2 cloves garlic peeled and minced
  • ½ teaspoon salt
  • ½ teaspoon ground black pepper
  • 100 g (1/2 cup) red lentils
  • 480 ml (2 cups) vegetable stock
  • 2 tablespoons crème fraiche

Instructions 

  • Heat the oil in a large saucepan over a medium heat.
    2 tablespoons olive oil
  • Add the onion, peppers, garlic, salt and pepper and fry for 5 minutes, until the onion starts to soften.
    1 onion, 2 red bell peppers, 2 cloves garlic, ½ teaspoon salt, ½ teaspoon ground black pepper
  • Add the lentils and stock. Stir together and bring to the boil. Turn down the heat and simmer for 18-20 minutes, until the lentils are tender.
    100 g (1/2 cup) red lentils, 480 ml (2 cups) vegetable stock
  • Turn off the heat and stir through the crème fraiche. If you’d like a smooth sauce, carefully blend, using a hand blender.
    2 tablespoons crème fraiche

Video

Notes

Storage and reheating

Refrigerate the cooled sauce in a sealed container for up to three days. Alternatively freeze the sauce in single or family-sized portions in a sealed container and defrost in the refrigerator overnight. Reheat in a saucepan until piping hot.
Nutritional information is approximate, per serving, based on this recipe making 6 servings.

Nutrition

Calories: 132kcal | Carbohydrates: 16g | Protein: 5g | Fat: 6g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Cholesterol: 2mg | Sodium: 516mg | Fiber: 6g | Sugar: 4g

Nutrition information is automatically calculated, so should only be used as an approximation.

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? Frequently Asked Questions

Storage and Reheating

Refrigerate the cooled sauce in a sealed container for up to three days. Alternatively freeze the sauce in single or family-sized portions in a sealed container and defrost in the refrigerator overnight. Reheat in a saucepan until piping hot.

🍲 More fantastic pasta sauces

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Hi, I’m Nicky, bestselling author, award-winning recipe creator and food photographer. I love to cook comforting, delicious and easy recipes and share them with you.

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