Jalapeño Lime Fish Taco Sauce

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My Jalapeño Lime Fish Taco Sauce is rich, herby, silky smooth, and it’s ready in minutes with almost no prep. Give your fish tacos (or any tacos) a drizzle of this zesty sauce for next level flavor.

Sauce in bowl next to lime wedge. Text reads "Jalapeño Lime Fish Taco Sauce".
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Jalapeño Lime Fish Taco Sauce

Providing the right sauce for fish tacos is the difference between legends and ordinary humans. And trust me when I tell you my Jalapeño Lime Fish Taco Sauce will make you the hero of your next fish taco night. The mayo and sour cream give the sauce its smoothness and zesty flavor, while a blend of herbs and spices give it layers of flavor. With brightness from the lime juice and just a touch of heat from the jalapeño, this sauce really has it all. It may be the best fish taco sauce ever, but you can be the judge once you get a taste of it. Now, let’s sauce.

Fish Taco Sauce Ingredients

Now that you have an idea of how amazing your fish tacos will taste with drizzled with this sauce, let’s talk about what’s in it. You’ll probably have to swing by the grocery store for a few fresh produce, but you likely have most of this on hand already:

  • ½ cup mayo
  • ½ cup sour cream
  • 1 jalapeño (seeds optional)
  • 1 bunch cilantro
  • ½ teaspoon Kosher salt
  • ½ teaspoon black pepper
  • ¼ teaspoon garlic powder
  • ¼ teaspoon onion powder
  • juice of 2 limes
Various raw ingredients in glass bowls on countertop.

Recipe Variations

Personally, I think the best part about making your own sauces is having total control over the ingredients and flavor. I’m sure you could get really crazy with the combinations in this sauce (and I want to hear about them if you do). Here are a couple quick variations you can make to customize this recipe:

  • Creaminess. I really love the smoothness and zest I get from the combination of mayor and sour cream, but not everyone loves both. You can easily do all of one or the other if you or your guests have a preference. You can even use Greek yogurt if you want a healthier option.
  • Heat. If you like a little spicy kick to your sauce, then leave the seeds in your jalapeños before blending. You can totally take them out, though, if you want the sweetness without the heat. You can even use stronger peppers if you’re feeling bold.
  • Freshen up. If you want to add a little brightness to your fish taco sauce, then you can add a little extra lime juice. This is also a great way to freshen up your sauce if it starts to lose its punch.
Sauce in bowl next to lime wedge, cilantro leaves, and a jalapeño.

How to Make Fish Taco Sauce

If I’ve done my job right then your mouth should be good and watering by now for this smooth, creamy sauce. The good news is you don’t have to wait. Once you’ve got your ingredients prepped, you just need to follow these few simple steps:

  1. Assemble and prep ingredients. Gather your mayo, sour cream, jalapeño, cilantro, Kosher salt, black pepper, garlic powder, onion powder, and limes. Juice the limes, and if you want to remove the seeds from your jalapeño, now is the time. Otherwise, you don’t any further prep and you’re ready to make this  sauce. Easy, right?
  2. Combine ingredients. Next comes the fun part. Combine all your jalapeño, fresh lime juice, and the rest of your ingredients in a blender jar or food processor. Then, then let the machine do the work. Puree your ingredients until you have a nice, smooth consistency.
  3. Chill and serve. Now, this rich, herby sauce will taste great right out of the blender. However, if you want to get the most flavor possible, I highly recommend letting it chill in the fridge for a few hours. Trust me on this.

Serving Suggestions

If you’ve already got a go-to fish taco you love making, then this Jalapeño Lime Taco Sauce will take it to previously unknown levels of flavor. But, if you need a little help deciding what to drizzle this tangy sauce on, here are few taco recipes to help kickstart your imagination:

Making Ahead and Storing

If you’re anything like me, then you like to have your sauce ready when you make your tacos. That’s not a problem at all with this simple fish taco sauce. Not only can you make it ahead of time, but the flavors will intensify if you do. After you’ve made your sauce, just place it in an airtight container and store in your refrigerator. Your sauce will stay fresh and zesty up to a week to use on tacos, sandwiches, shoes, you name it (do not eat shoes, no matter how good this sauce is).

Fish tacos on platter drizzled with fish taco sauce.

More Awesome Sauce Recipes

Yes, this fish taco sauce is creamy and delightful. And sure, it’s great with all kinds of salads and sandwiches, too. But listen, I’m not some one-trick pony. I’ve got you covered with all kinds of versatile sauces and condiments for any meat or occasion. Here are a few of my favorites for you to try next:

Easy Fish Taco Sauce Recipe

Make it fish tacos next Taco Tuesday with plenty of my Jalapeño Lime Fish Taco Sauce, and remember it’s good on just about everything. Remember, don’t eat the cardboard, but do leave a 5-star review if you had fun making this recipe. If you want even more quick and delicious recipes just like this one, then make sure to check out my Hey Grill Hey app.

And of course, you gotta share your fabulous fish taco photos with me on Instagram and Facebook with the tag @heygrillhey. If you need even more inspiration for your next taco night, then subscribe to my YouTube channel for recipes, how-to videos, and a whole lot more BBQ fun.

Jalapeño Lime Fish Taco Sauce

By: Susie Bulloch
0 from 0 votes
My Jalapeño Lime Fish Taco Sauce is rich, zesty, herby, silky smooth, and ready in minutes. Give your tacos a drizzle for next level flavor.
Prep Time5 minutes
Total Time5 minutes
Servings16 people
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  • ½ cup mayo
  • ½ cup sour cream
  • 1 jalapeño seeds optional
  • 1 bunch fresh cilantro
  • ½ teaspoon Kosher salt
  • ½ teaspoon black pepper fresh cracked
  • ¼ teaspoon garlic powder
  • ¼ teaspoon onion powder
  • juice of 2 limes


  • Prep ingredients. Gather your ingredients, juice your limes, and seed your jalapeños if desired.
  • Combine ingredients. In a blender jar or food processor, combine your ingredients, and puree until smooth.
    ½ cup mayo, ½ cup sour cream, 1 jalapeño, 1 bunch fresh cilantro, ½ teaspoon Kosher salt, ½ teaspoon black pepper, ¼ teaspoon garlic powder, ¼ teaspoon onion powder, juice of 2 limes
  • Chill and serve. Place sauce in an airtight container and chill in refrigerator. When ready, just drizzle on your tacos and enjoy.


Calories: 1002kcal | Carbohydrates: 9g | Protein: 4g | Fat: 106g | Saturated Fat: 25g | Polyunsaturated Fat: 51g | Monounsaturated Fat: 24g | Trans Fat: 0.2g | Cholesterol: 115mg | Sodium: 1915mg | Potassium: 272mg | Fiber: 1g | Sugar: 5g | Vitamin A: 1486IU | Vitamin C: 21mg | Calcium: 140mg | Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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