Onion Crisp Oil

This allium-packed, umami-loaded oil brings the flavor and the crunch. Made with slow-cooked onions, shallots, garlic, and just the right amount of spice, crispy onion oil is a bold, aromatic condiment that turns even simple meals into something crave-worthy. Think of it as part oil, part topping and fully essential once you try it.

Drizzle it, scoop it, mix it this one does it all.


Why You’ll Love It

  • Bold & Aromatic – Caramelized alliums create rich, savory depth.

  • Crispy & Crunchy – Bits of golden onion and shallot add addictive texture.

  • Endlessly Versatile – Works with everything from breakfast eggs to late-night noodles.


How to Use It

  • Spoon Over Rice or Noodles – A quick way to turn plain grains into a full-flavor dish.

  • Stir into Soups or Congee – Adds richness and bite.

  • Drizzle on Roasted Veggies or Baked Potatoes – Boosts both flavor and texture.

  • Mix with Vinegar for a Dressing – A punchy, savory base.

  • Top Burgers, Sandwiches, or Avocado Toast – Adds next-level crunch.


Pro Tips

  • Use Neutral Oil – Something like grapeseed or avocado oil keeps the flavor clean.

  • Low & Slow – Let the onions cook gently to avoid burning and develop flavor.

  • Strain or Leave Chunky – You can filter it or keep all the crispy bits — your call.

  • Store It Right – Keeps in the fridge for up to 2 weeks, or freeze for longer use.


Rheal Kitchen Talk

This is one of those condiments that does everything. It gives you richness, heat, and that crispy punch that makes a meal feel finished. Plus, it’s perfect for making use of extra onions or shallots you’ve got lying around. Whether you’re topping ramen or just trying to make leftovers feel new, a spoonful of this oil makes it all taste like you really cooked.

It’s savory gold made by you.

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Crispy Onion Oil

Crispy Onion Oil

Rheal

Prep Time

10 minutes

Cook Time

2 hours

Category

Condiments

This onion oil is a staple in my kitchen. It is super easy to make and is delicious on an array of dishes. The spice along with the addictive crunch will have you putting this condiment on breakfast lunch and dinner.

Ingredients

  • 2 sweet onions ( sliced)

  • 1 whole shallot sliced

  • 2 cups of neutral cooking oil( I like grapeseed)

  • ¼ cup of sesame seed oil

  • ¼ cup of green onion

  • 1 tablespoon of sesame seeds

  • ½ cup of chili flakes

  • 1 cup of dehydrated onion chips (see photo and notes)

  • ½ tablespoon of mushroom powder ( see photo and notes)

  • ½ tablespoon of salt

  • 1 teaspoon of smoked paprika

Directions

  1. preheat oven to 245° 

  2. place sliced onions and shallots in an oven safe pot/dish (I like cast-iron pans).

  3. Add your mushroom powder and salt to oil and stir with cooking oil. Cover and confit onions for 2 hours. Onions should be a toasted brown color when complete.

  4. Let onion oil cool then strain oil. (Save onions to use as a topping. store up to a week refrigerated)

  5. Add all of your dry ingredients to a bowl.

  6. Add both of your oils to the bowl and mix.

  7. Transfer to airtight containers or jars