Mostaza Lab

Inferno Grain Mustard 
– A Bold Fiery Mustard

  A Bold Kick of Heat & Flavor

A robust and fiery mustard with whole mustard seeds, delivering a grainy texture and an intense heat that lingers.

Packed with Natural Antioxidants

  Mustard seeds contain selenium, magnesium, and omega-3s, supporting digestion, circulation, and overall health.

  Vegan, Gluten-Free & Clean Ingredient

A healthier, all-natural condiment with no preservatives, perfect for those who love pure, intense flavors.

Fiery Mustard with Whole Grain Texture – Mostaza Lab
Handcrafted in Small Batches

Made with care and precision, ensuring high-quality ingredients and authentic flavors in every jar.

A Healthier, Guilt-Free Condiment

Mustard is naturally low in calories, sugar, and fat, making it a healthier alternative to traditional sauces.

Perfect for Pairing & Cooking

Ideal for grilled meats, BBQ, bratwurst, sandwiches, and marinades, adding a powerful punch to any dish.


Inferno Grain Mustard – A Bold Fiery Mustard from Rojales

A  daring blend that combines the robust flavours of black and yellow mustard seeds

Dare to take on the heat with Mostaza Lab’s Inferno Grain Mustard! This bold, fiery mustard is handcrafted with a blend of yellow and black mustard powders, delivering an intense kick of heat balanced by the tang of apple cider vinegar. A hint of garlic and turmeric adds depth, while its smooth yet powerful texture makes it perfect for grilled meats, burgers, BBQ, and marinades. Whether you love heat or want to spice up your dishes, this artisan-crafted mustard brings the fire! ​

✨ Why You’ll Love It:

🟡  Handcrafted in small batches in Rojales

🟡 Made with real blueberries and premium mustard seeds

🟡 Free from artificial preservatives and additives

🟡 Pairs With: Bratwurst, BBQ dishes, burgers, cheese boards. ​

🟡 Recipe Suggestion: Fiery Deviled Eggs with Inferno Mustard​​

🟡 Heat Level: 🔥 (Mild with a smooth sweetness)

Ingredients (by weight):

  • ​Water 
  • Apple cider vinegar 
  • Yellow mustard powder 🟠 (Allergen: Mustard) 
  • Black mustard powder   🟠 (Allergen: Mustard ) 
  • Salt
  • Sugar
  • Turmeric 
  • Garlic powder 

⚠ Allergens: 🟠 Contains: Mustard (as per EU Regulation 1169/2011)