So you’re in the kitchen, maybe barefoot, maybe there’s music playing low, and you’re about to make something that smells like sunshine and tastes like it came straight off a beach.
We’re making Coconut Lime Ceviche. No sugar, no weird stuff. Just real food, cut up with care, soaked in lime juice and coconut milk until it tastes like you know what you’re doing. And the best part? It fits right into a keto way of eating. Low carb, full flavor.
This dish is like a vacation for your taste buds. It takes a few simple ingredients and turns them into something you could serve at a backyard hangout or just eat alone, straight from the bowl.
What You’ll Need for Keto Coconut Lime Ceviche
Here’s everything. Keep it simple, fresh is best.
-
1 lb raw white fish – snapper, halibut, sea bass, or even shrimp works too. Make sure it’s super fresh.
-
1/2 cup fresh lime juice – about 4 to 5 limes.
-
1/4 cup full-fat coconut milk – the canned kind, not the watery one.
-
1/2 small red onion – thinly sliced.
-
1 small jalapeño or serrano pepper – finely chopped, seeds out if you’re not into heat.
-
1/2 cucumber – peeled, seeded, diced small.
-
1 small avocado – cubed, firm but ripe.
-
1/4 cup chopped cilantro – leaves only, not the stems.
-
Salt – just a pinch to start, taste later.
-
Black pepper – optional, just a crack or two.
-
Lime zest – don’t skip this, it lifts everything.
-
Optional: shredded coconut or a few crushed macadamia nuts on top – for texture.
Step 1: Cut the fish small
You want little cubes, about the size of your pinky nail. Not too big or it’ll take forever to “cook” in the lime. Not too small or it’ll turn mushy. Get a sharp knife and work with love. If you’re using shrimp, chop it up the same way.
Step 2: Lime time
Put the fish into a glass or ceramic bowl. No metal bowls, they mess with the acid. Pour your lime juice over the fish. You want it covered. If it’s not, just squeeze another lime. Cover the bowl and put it in the fridge.
Let it sit about 15 to 20 minutes. You’ll notice the fish goes from clear and raw-looking to white and firm. That’s the lime juice cooking it. Don’t leave it for hours, or it’ll get rubbery.
Step 3: Add the flavor crew
While the fish is “cooking,” get your other stuff ready. Slice your onion thin, like paper. Dice your jalapeño small, cucumber into little cubes, cilantro roughly chopped, and your avocado last (so it doesn’t brown).
Drain most of the lime juice off the fish, leave just a tablespoon or two. Now stir in the coconut milk. The creamy stuff—don’t shake the can. Spoon out the top thick part. That’s the good stuff.
Toss in everything else—onion, jalapeño, cucumber, cilantro. Mix gently. Don’t beat it up. You want a soft, creamy, cool bowl of fish with crunch and a tiny kick.
Add salt a bit at a time. Taste it. Add lime zest now—it makes the whole thing pop.
Last step—add the avocado. Gently fold it in so it doesn’t smush.
Step 4: Chill, but not too long
Let it sit in the fridge for another 5 to 10 minutes. This is just so the flavors get to know each other. Don’t leave it too long or the texture starts to go weird.
Step 5: Serve it how you like
-
On butter lettuce leaves
-
In a bowl with a spoon, straight-up
-
With keto crackers or cucumber slices
-
Topped with coconut flakes or crushed nuts for crunch
Don’t overthink it. It’s meant to feel light and easy.
Why This Works on Keto
Lime juice gives you acid, which makes your mouth water and helps the flavors spread. Coconut milk adds healthy fats. The fish is protein-rich and super lean. Avocado gives you more good fat and keeps you full. It’s all whole food, and nothing spikes your carbs.
There’s no sugar here. No weird starches. Just food that fills you up and feels clean.
Tips From My Kitchen to You
Don’t skip the salt
A tiny bit of salt brings out everything. Even the sweetness in the coconut milk. Try flaky sea salt if you have it.
Want it spicier?
Use the whole pepper, seeds and all. Or switch to a habanero if you’re brave. Just go easy. You can always add more. Can’t take it out once it’s in.
Keep your fish cold
Cold fish is safe fish. Keep it in the fridge before and after cutting.
Not into fish?
Try shrimp. Or scallops. Just nothing oily like salmon. It doesn’t work the same.
First Time I Made This Coconut Lime Ceviche
The first time I tried making ceviche, I messed it up bad. I left it in the lime too long and it turned tough like pencil erasers. But the flavor? Even then it was kind of amazing. I kept at it. And after a few tries, I got it.
Now I make it when I want to feel like I’m doing something good for myself without cooking anything heavy. I eat it in the backyard with a cold drink, barefoot, feeling like I made something fancy without the drama.
How to Store It (if there’s any left)
Okay, so here’s the thing. Ceviche doesn’t really keep for days. It’s best fresh. But if you’ve got some left, cover it tight and eat it within 24 hours. The acid keeps working, and after a while, the texture gets weird.
If you know you’ll have leftovers, maybe leave the avocado out and add it fresh the next day.
Conclusion
This isn’t one of those “just whip it up” recipes where everything magically works out. But it’s not hard either. It’s just about paying attention to what the ingredients are doing. Lime juice cooks. Coconut calms. Salt sharpens. And fresh herbs pull it all together.
You can mess it up and still end up with something good.
You don’t need to be fancy. You just need a bowl, a knife, and a little bit of time. And maybe someone to share it with, or not.
You’ve got this.
PrintKeto Coconut Lime Ceviche Recipe
A light, fresh, and creamy ceviche made with lime juice, coconut milk, and tender white fish. This healthy recipe is perfect for anyone following a keto diet. Easy to make, no cooking needed, and packed with flavor.
- Prep Time: 20 minutes
- Cook Time: 0 minutes
- Total Time: 20 minutes
- Yield: 4 servings 1x
- Category: lunch, Appetizer or Light Meal
- Method: No-cook
- Cuisine: American, Keto, Low-Carb
Ingredients
-
1 lb fresh white fish (snapper, halibut, sea bass, or shrimp)
-
1/2 cup fresh lime juice (about 4 to 5 limes)
-
1/4 cup full-fat coconut milk (canned, thick part only)
-
1/2 small red onion, thinly sliced
-
1 small jalapeño, finely chopped (remove seeds for less heat)
-
1/2 cucumber, peeled, seeded, and diced
-
1 small avocado, cubed
-
1/4 cup fresh chopped cilantro (leaves only)
-
Pinch of salt, to taste
-
Lime zest, about 1/2 teaspoon
-
Optional: crushed macadamia nuts or coconut flakes for topping
Instructions
-
Cut fish into small cubes and place in a glass or ceramic bowl.
-
Pour lime juice over fish, cover, and refrigerate for 15–20 minutes until fish turns white and firm.
-
While fish is in the fridge, slice onion, chop jalapeño, dice cucumber, chop cilantro, and cube avocado.
-
Drain most of the lime juice from fish, leaving a couple tablespoons.
-
Add coconut milk and mix gently.
-
Stir in onion, jalapeño, cucumber, cilantro, salt, and lime zest.
-
Fold in avocado gently.
-
Chill for 5–10 more minutes before serving.
-
Serve on lettuce, in bowls, or with cucumber slices.
Notes
-
Use only the thick part of the coconut milk from the top of the can for best texture.
-
Don’t leave the fish in lime juice too long or it’ll turn rubbery.
-
Freshness is key. Use fish the same day you buy it.
-
Add more lime juice or salt to taste.
-
Best eaten fresh. Can be stored up to 24 hours in the fridge.
Nutrition
- Serving Size: 1 serving
- Calories: 240 Sugar: 2g Sodium: 380mg Fat: 16g Saturated Fat: 8g Unsaturated Fat: 7g Trans Fat: 0g Carbohydrates: 6g Fiber: 3g Protein: 20g Cholesterol: 45mg