This Cajun turkey injection is a simple Creole butter marinade made with melted butter, chicken stock, and Creole seasoning. Injecting it deep into the meat adds bold, zesty flavor and extra moisture from the inside out, so you get juicy, flavorful turkey every time. It only takes 3 ingredients and about 5 minutes, so skip the store-bought marinade and make your own!
I use this injection for my Cajun turkey, and it works just as well for smoked or fried turkey. Making it at home also lets you control the salt and the spice level.
Quick Look
- Total time: About 5 minutes, plus cooling time
- Key ingredients: Unsalted butter, chicken stock, and Creole seasoning
- Flavor: Rich and buttery with a zesty Cajun kick
- Method: Melt the butter, stir in the stock and seasoning, then cool completely before injecting
- Works with: Roasted, smoked, or fried turkey
- Makes: About 1¾ cups, enough for a turkey up to 16 to 18 pounds
If you give this injection a try, please leave a star rating and a comment below. I love hearing how your turkey turns out!
Why This Recipe Works
- Flavor from the inside: A rub only seasons the surface. Injecting carries the butter and seasoning deep into the breast, thighs, and legs.
- Butter and stock for moisture: The butter adds richness, and the stock adds extra moisture to help keep lean white meat juicy.
- You control the salt: Using unsalted butter, low-sodium stock, and homemade Creole seasoning means you decide how salty the turkey gets. That matters a lot when your turkey has already been treated with a salt solution.
- Fine seasoning that won't clog: Creole seasoning is made from ground spices, so it passes through the needle as long as any larger herbs are crushed first.
What Type of Turkey Is Best for Injecting?
Since this injection contains salt, it works best with a turkey that hasn't already been treated with a salt or brine solution.
Kosher turkeys are salted as part of the butchering process, and self-basting turkeys are injected with a salty liquid before they're packaged. Labels like organic, free-range, and natural don't tell you either way. Instead, look for words like "enhanced," "treated," "brined," or "contains a solution" on the packaging.
If you can only find pre-treated turkey, use a salt-free Creole seasoning and no-salt stock so the turkey doesn't end up too salty.
Ingredient Notes
- Creole seasoning: I use my homemade Creole seasoning. It's a little milder than Cajun seasoning and has more herbs, but either one works. If your seasoning has larger herb pieces, crush them or run the seasoning through a spice grinder so they don't clog the needle.
- Chicken stock: I use Swanson Unsalted or Low Sodium chicken stock since the seasoning already brings plenty of salt. Homemade chicken or turkey stock works great too.
- Butter: Use unsalted butter so you can control the salt.
See the recipe card at the bottom of this post for the complete list of ingredients and measurements.
How to Make Cajun Turkey Injection
- Melt the butter. Melt the butter in a small saucepan over medium-low heat.
- Stir in the stock and seasoning. Turn off the heat, then add the stock and Creole seasoning and stir to combine.
- Cool it completely. Let the injection cool all the way to room temperature before you use it. Don't rush this step. The injection should never be warm when it goes into the turkey.
How to Inject a Turkey with Marinade
- Butter the skin first. If your recipe calls for rubbing butter on or under the skin, do that before injecting. Dry seasonings can go on afterward.
- Stir and fill the injector. The butter and stock separate as the injection sits, so give it a stir. Press the plunger all the way down, put the needle in the injection, and pull the plunger back to fill it.
- Inject all over. Push the needle deep into the meat and inject small amounts as you slowly pull the needle out. Concentrate on the thickest parts of the breasts, thighs, and legs. Many small injections spread the flavor better than a few big ones. Be careful not to poke through the meat into the cavity.
- Let it soak in. You can cook the turkey right away, but it's better to give the injection some time to work its way into the meat (see When to Inject Your Turkey below).
Expert Tips
- Use a real meat injector: You will need a large syringe designed for injecting marinade for this recipe. These can be found at many grocery stores or ordered online.
- Clearing a clog: If the needle clogs, take it out of the turkey first. Then hold it over the cup of injection or your sink and press hard to push out the blockage. If you try this with the needle still in the turkey, the marinade can spray out. Sometimes you'll need to unscrew the needle to clear it.
- Don't reuse leftover injection: Once the needle has been in raw turkey, discard any injection left in the cup instead of saving it.
When to Inject Your Turkey
- Right before cooking: You can inject the turkey and cook it right away, but the flavor is better if you give it a little time.
- Up to 1 hour ahead: The turkey can rest on the counter for up to 1 hour after injecting.
- Up to 24 hours ahead: For anything longer than an hour, keep the injected turkey covered in the refrigerator. You can inject it up to 24 hours before cooking.
Ways to Use This Injection
This Cajun butter injection works with just about any way you like to cook your turkey.
- Roasted: It's the base of my Cajun turkey, which also gets herb butter under the skin and a coating of Creole seasoning.
- Smoked: Try it with my smoked bone-in turkey breast or smoked spatchcock turkey. Just use a turkey that hasn't been pre-brined, or cut back on the salt in the rub.
- Fried: It's also great for seasoning a fried turkey.
Frequently Asked Questions
This recipe makes about 1¾ cups (14 ounces), which is enough for a turkey up to about 16 to 18 pounds. For a larger bird, double the recipe.
Absolutely! It's a great way to add flavor to a smoked bone-in turkey breast. A half batch is plenty for a 5 to 6 pound breast.
Yes. Keep in mind that many store-bought blends are much saltier than homemade ones. If your turkey has been pre-treated, look for a salt-free version.
More Cajun Recipes
📖 Recipe
Cajun Turkey Injection Marinade
Ingredients
- ½ cup melted butter, 1 stick
- 1 cup low sodium chicken stock
- 2 Tablespoons Creole seasoning, or Cajun seasoning
Instructions
- Melt the butter in a small saucepan over medium-low heat.
- Turn off the heat, then add the chicken stock and Creole seasoning and stir to combine.
- Let the injection cool completely to room temperature before using.
- Stir the injection, then fill a meat injector. Inject small amounts all over the turkey, concentrating on the thickest parts of the breasts, thighs, and legs.
- Cook the turkey right away, let it rest on the counter for up to 1 hour, or cover and refrigerate it for up to 24 hours before cooking.
Notes
- Amount: Makes enough for a turkey up to about 16 to 18 pounds. Double the recipe for a larger bird, or use about half for a 5 to 6 pound turkey breast.
- Pre-treated turkeys: For a kosher, self-basting, brined, or enhanced turkey, use salt-free Creole seasoning and unsalted stock.
- Clogs: Crush any large herb pieces in the seasoning so they don't clog the needle.
- Leftovers: Discard any injection left in the cup once the needle has been in raw turkey.
- Nutrition: Estimate per tablespoon, based on homemade Creole seasoning and unsalted stock. Store-bought seasoning will be higher in sodium.
Nutrition
* All nutrition information we provide are estimates based on third party calculators. We encourage you to calculate these on your own for accurate results.
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