15-Minute Homemade Blackened Seasoning Spice Mix
A bold, aromatic spice blend combining toasted cumin seeds, warm oregano and thyme, with heat from cayenne and chili flakes. Perfect for blackening fish, chicken, or vegetables with a smoky, slightly spicy crust. This version uses whole peppercorns and cumin seeds toasted fresh to maximize flavor and aroma compared to pre-ground blends. Ideal for Louisiana-inspired cooking or anyone seeking restaurant-quality blackened dishes at home.
Ingredients
- ½ tbsp thyme, dried
- 2 ½ tbsp paprika
- 2 tsp salt
- ½ tbsp oregano, dried
- 1 tbsp onion powder
- 1 tbsp garlic powder
- 1 tsp sugar
- 1 tsp cayenne pepper
- ½ tbsp black pepper, whole peppercorns
- 1 ½ tbsp cumin seedsground cumin0.75 tbspnote: pre-ground loses toasted aroma; adjust qty as ground is denser
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Full guide → - 1 tsp chili flakesred pepper flakes1 tspsimilar heat profile
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Instructions
- 1
Toast cumin seeds in a skillet over high heat until fragrant, about 1-2 minutes, watching carefully to prevent burning.
- 2
Add toasted cumin seeds, black pepper, oregano, thyme, and chili flakes to a spice grinder and pulse until finely ground, about 1 minute.
- 3
Transfer ground spices to an airtight container.
- 4
Add remaining spices and shake well to combine thoroughly.
- 5
Store in a cool, dark place until ready to use.
Tips
Toast cumin seeds just until fragrant; over-toasting creates bitterness. Listen for a gentle crackling sound as your cue.
Grind spices in small batches if your grinder is modest; this prevents clumping and ensures even texture.
Make larger batches and store in glass jars away from heat and light; flavors stay potent for 3-4 months.
Good to Know
Transfer to airtight glass jars. Store in a cool, dark cabinet away from heat and light. Flavors remain potent for 3-4 months.
Make 2-3 batches at once and store separately for convenience. Prepare up to one week in advance.
Use 1-2 teaspoons per protein serving (fish, chicken, shrimp, vegetables). Press seasoning onto moist protein before cooking for crust formation.
Common Mistakes
Burn cumin seeds to avoid bitter, acrid flavor that ruins the blend.
Under-grind spices to avoid coarse texture that doesn't coat evenly.
Store in clear containers exposed to light to avoid flavor degradation and color fading.
Substitutions
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Full guide →FAQ
Can I use pre-ground cumin instead of seeds?
Yes, but use 0.75 tbsp ground cumin and skip toasting. You'll lose the fresh, aromatic quality that toasting develops. Reduce overall intensity by about 20%.
How long does homemade blackened seasoning keep?
Stored properly in an airtight glass jar in a cool, dark place, it stays flavorful for 3-4 months. Over time, aromatic oils fade and heat diminishes.
Can I freeze this seasoning blend?
Freezing is unnecessary and may introduce moisture. Keep in a cool, dark pantry instead. Frozen spices often clump when thawed.