5 Minute Recipes/ Asian Recipes/ Condiments and Sauces/ Japanese/ Recipes

3 Ingredient Simple Rayu Chilli Oil (La Yu)

16/12/2020

Spice lovers – here’s a chilli oil which only needs a minute to infuse! With just 3 ingredients, drizzle your homemade Rayu Chilli Oil all over your favourite Japanese dishes like Tantanmen Ramen and Gyoza.

Spoon pouring chilli oil into small dish.

Why We Love This

Rayu is our favourite condiment! Pour a few drops over freshly cooked gyoza dumplings, infuse into a tasty dumpling dipping sauce, or swirl it over the top of Japanese yakisoba (stir fried noodles). 

You can use this over anything you like. It lends itself well to most Japanese recipes, but why not try it over the top of something completely different like our Vietnamese rice paper pizza!

Small dish of rayu chilli oil with spoon.

What is Rayu? 

Rayu is a sesame chilli oil. It’s most often used in Japanese dishes to add heat and flavour, but can be used for anything that calls for chilli oil.

The most common brand in Japan is S&B, and you’ll usually find a bottle or dish of the oil in ramen restaurants across the city. Another popular version, usually used at home, is taberu rayu or chilli oil for eating which also contains crunchy fried garlic. Both Momoya and S&B are popular brands for this variety of chilli oil.

What You’ll Need

Three ingredients are all that stand between you and a fresh batch of homemade chilli oil. You’re also guaranteed to already have these in the pantry!

  • Vegetable Oil – You can use any kind of lightly-flavoured oil – we’ll often use sunflower or canola oil but you can also use corn oil or even peanut oil to tweak the flavour. 
  • Sesame Oil – Use a high quality oil for the best flavour. The sesame oil is always added after you’ve infused the chilli powder into the vegetable oil and doesn’t require cooking, so it doesn’t lose it’s flavour.
  • Chilli Flakes –  Today we’ve used a blend of regular chilli flakes and gochugaru (Korean red pepper flakes) – these help to balance the chilli heat and add a touch of sweetness. You can use just chilli flakes, just gochugaru, or swap them for hot paprika if you like.
Ingredients laid out for rayu chilli oil.

Wandercook’s Tips

  • Don’t Over Cook – Avoid boiling the vegetable oil and chilli flakes, they’ll burn if you cook them too long. Heat them through gently until the colour and flavour infuses, then take off the heat.
  • Control the Spice Level – For a milder result, use gochugaru or for a spicier version use only chilli flakes.

FAQs

How do I pronounce rayu?

Rayu (pronounced rah-you) is the Japanese version of this oil, while (pronounced lah-you) is the Chinese version.

What’s the difference between rayu chilli oil and taberu rayu chilli oil?

Taberu rayu translates as “rayu for eating”, so it includes the chopped ingredients used to flavour the oil (usually garlic, ginger, chilli, spring onion, etc). This is a simplified recipe which doesn’t include the extra flavourings. It focuses on the chilli heat and nutty, savoury sesame flavour, and it can be made and infused in minutes. It’s most similar in flavour, colour and consistency to S&B style La Yu rather than taberyu rayu.

How do I use this chilli oil?

This oil is best used as a condiment for adding to finished dishes. Pour it over freshly cooked ramen noodles, yakisoba noodles, tofu or add to dumpling dipping sauces. Add to instant noodles, rice, blanched veggies, or just about any dish where you’re looking for an extra burst of savoury heat. 

We don’t recommend using it during cooking as the sesame oil flavour will become less intense once cooked. That’s why we add the sesame oil after the chilli flakes have infused with the base vegetable oil.

Small dish of rayu chilli oil.

Start drizzling your chilli oil all over these Japanese favourites:

★ Did you make this recipe? Please leave a comment and a star rating below!

Spicy chilli oil in a white dish with a spoon.

3 Ingredient Simple Rayu Chilli Oil (La Yu)

Spice lovers – here's a chilli oil which only needs a minute to infuse! With just 3 ingredients, drizzle your homemade Rayu Chilli Oil all over your favourite Japanese dishes like Tantanmen Ramen and Gyoza.
Prep Time: 1 minute
Cook Time: 1 minute
Cooling Time: 10 minutes
Total Time: 12 minutes
Course: Condiment
Cuisine: Japanese
Servings: 1 Jar
Calories: 619kcal
Author: Wandercooks
Cost: $5

Ingredients

Instructions

  • Heat the vegetable oil and chilli powder on low heat in a small saucepan for 30 seconds – 1 minute. You should see the colour start to darken as the oil takes on the red from the chilli powder.
  • Allow to cool for around 10 minutes, then add in sesame oil. Combine and store in a clean jar or oil bottle at room temperature.

Video

Recipe Notes

  • Storage – Store in a small sterilised jar in your fridge or cupboard. Should last at least a few months.
  • Don’t Over Cook – Avoid boiling the vegetable oil and chilli flakes, they’ll burn if you cook them too long. Heat them through gently until the colour and flavour infuses, then take off the heat.
    Control the Spice Level – For a milder result, use gochugaru or for a spicier version use only chilli flakes.
  • Ingredients –
    • Vegetable Oil – You can use any kind of lightly-flavoured oil – we’ll often use sunflower or canola oil but you can also use corn oil or even peanut oil to tweak the flavour.
    • Sesame Oil – Use a high quality oil for the best flavour. The sesame oil is always added after you’ve infused the chilli powder into the vegetable oil and doesn’t require cooking, so it doesn’t lose it’s flavour.
    • Chilli Flakes – Today we’ve used a blend of regular chilli flakes and gochugaru (Korean red pepper flakes) – these help to balance the chilli heat and add a touch of sweetness. You can use just chilli flakes, just gochugaru, or swap them for hot paprika if you like.

Nutrition

Calories: 619kcal | Carbohydrates: 3g | Protein: 1g | Fat: 70g | Saturated Fat: 28g | Sodium: 89mg | Potassium: 105mg | Fiber: 2g | Sugar: 1g | Vitamin A: 1601IU | Calcium: 18mg | Iron: 1mg
Hey hey – Did you make this recipe?We’d love it if you could give a star rating below ★★★★★ and show us your creations on Instagram! Snap a pic and tag @wandercooks / #Wandercooks
3 Ingredient Simple Rayu Chilli Oil (La Yu)

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