The flavour base behind great cooking — always in the blend.
Skip to product information
1 of 12

Costack Onion Granules ( Granulated Onions)

Costack Onion Granules ( Granulated Onions)

Perfect for: seasoning blends, casseroles, soups, dry rubs, sauces

Bring Depth & Richness to Every Dish

Regular price £8.50 GBP
Regular price £8.50 GBP Sale price £8.50 GBP
Sale Sold out
Shipping calculated at checkout.
  • ✔ Natural ingredients
  • ✔ Loved by 100,000+ UK home cooks
  • ✔ Royal Mail 2–3 day UK delivery
  • ✔ Free UK shipping over £35
  • ✔ Buy now, pay later with Klarna & Clearpay
Rated 4.6 by UK home cooks
Delivered in 2–3 Working Days
No Artificial Colours or Fillers
Smooth, consistent onion flavour without the chopping and eye-watering
Dissolves seamlessly into sauces, marinades, and dry rubs
Part of the essential Costack Base Kit for building deep, layered flavour
Works in any cuisine — from Sunday roasts to spiced stews

Description

Sweet, savoury, kitchen-essential.

Costack Onion Granules are the secret of every solid spice rack. Sweet, savoury, slightly caramelised aroma. Goes into rubs, marinades, stews, jollof base, fried rice, and burger blends without taking over the dish.

Why granulated beats powder

  • Granulated stays even-textured in marinades, no clumping.
  • Pure onion, single-spice. No added salt.
  • Distributes evenly through dry rubs.
  • Use 1 tsp per pot of stew.
  • Pairs with garlic in roughly 1:1 ratio for most rubs.

How to use it

Burger Blend: 1 tsp + 1 tsp Costack Garlic Granules + Costack Meat Seasoning. Mix into mince.

Jollof Base: 1 tsp into the tomato-pepper purée.

Salad Dressing or Mayo: half a teaspoon for instant savoury depth.

Ingredients

100% pure granulated onion, slow-dehydrated.

FAQ

1 tsp = how much fresh onion? Roughly 1/4 of a medium onion in flavour intensity.

Salty? No. Add salt separately.

Use in cold dishes? Yes. Excellent in marinades, salad dressings, mayo bases.

Pairs well with: Costack Garlic Granules, Costack All Purpose Seasoning.

Ships worldwide to 188 countries including the USA. Duties and taxes shown upfront at checkout.

Shipping Information

Shipping calculated at Checkout. Free UK Shipping for Orders above £35

Additional Information

324 grams

Nutritional Information

GROUND ONION

View full details

Frequently Bought Together

Buy together and save

View bundles

Free UK delivery on orders over £35.

New to Costack?

Start with our Most Popular Starter Kit.

All Purpose Seasoning ★★★★★
Chicken & Turkey Seasoning ★★★★★
Mild Curry Powder ★★★★★

Free UK delivery over £35

Free UK delivery on orders over £35.

Got Questions? Here’s What You Should Know.

What is in Costack Onion Granules ( Granulated Onions)?

Costack Onion Granules ( Granulated Onions) contains: GROUND ONION

Is Costack Onion Granules ( Granulated Onions) spicy?

Costack blends range from mild to hot. Everyday blends like All Purpose, Complete and Mild Curry are family-friendly. Suya Spice and Cameroon Pepper bring real heat. The heat level and full ingredients are printed on every label.

Are Costack seasonings gluten-free and MSG-free?

Most Costack blends are gluten-free with no added MSG and no artificial colours. A few, such as Complete Seasoning, contain wheat and a flavour enhancer, so always check the label, where every allergen is listed in bold.

How do I use Costack Onion Granules ( Granulated Onions)?

Use it as a dry rub, a marinade, or an all-in seasoning. Add it before roasting or grilling, or stir it in during cooking. Start with about a teaspoon per portion and adjust to taste.

Where are Costack spices made?

Costack is a UK Afro-Caribbean and West African seasoning brand. Every blend is made in small batches in Manchester, United Kingdom.

How long do Costack seasonings last, and how should I store them?

Store in a cool, dry place out of direct sunlight. Sealed Costack blends keep their flavour for 18 to 24 months.

Does Costack deliver, and where?

Costack delivers across the UK in 2 to 3 working days via Royal Mail, free on orders over £35. Costack also ships worldwide to 188 countries, including the USA and Europe, with any duties shown at checkout.

Is Costack any good?

Costack is rated highly by home cooks across thousands of reviews on its blends. It is a small-batch UK brand making Afro-Caribbean and West African seasonings in Manchester, with no artificial colours.

Ready to Elevate Your Everyday Cooking?

Experience balanced, authentic flavour delivered fast across the UK.

  • Free UK delivery on orders over £35
  • Secure checkout
  • No artificial fillers