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Creamy Low-Carb Sardine Salad

4.4 stars, average of 7 ratings

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This easy 5-ingredient canned fish salad is so easy to make and ideal to serve with any crunchy vegetables, leafy salad bowls or bell pepper halves.

Just like this Keto Everything Bagel Creamy Egg Salad and this Low-Carb Cold Plate with Smoked Salmon, it's an easy cold dinner or lunch recipe that won't heat up your kitchen. You can even have it for breakfast with a slice or two of my 90-Second Keto Bread.

Recipe Customizations

Just like all fatty fish, sardines are good for you, and that includes canned fish.

But not everyone is a fan, I get it! If this is your case, use canned salmon, mackerel or tuna instead. You could even use shredded chicken breasts but you may need double the mayonnaise to keep it nice and creamy.

This is a relatively small meal that's best as a light lunch or dinner option. If you need a more satisfying meal, you can simply double the recipe. If you need to make it egg-free or you want to reduce the amount of fat, swap sour cream for the mayonnaise.

You can make all of these customizations and lots more in our KetoDiet App!

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Hands-on Overall

Serving size about 115 g/ 4 oz salad

Allergy information for Creamy Low-Carb Sardine Salad

✔  Gluten free
✔  Dairy free
✔  Nut free
✔  Nightshade free
✔  Pork free
✔  Avocado free
✔  Coconut free
✔  Shellfish free
✔  Beef free

Nutritional values (per serving, about 115 g/ 4 oz salad)

Net carbs1.4 grams
Protein22.5 grams
Fat22.8 grams
Calories305 kcal
Calories from carbs 2%, protein 30%, fat 68%
Total carbs1.6 gramsFiber0.3 gramsSugars0.9 gramsSaturated fat3.1 gramsSodium469 mg(20% RDA)Magnesium36 mg(9% RDA)Potassium388 mg(19% EMR)

Ingredients (makes 1 serving)

  • 1 can sardines, drained (90 g/ 3.2 oz)
  • 1 tbsp paleo mayonnaise (15 ml) - you can make your own mayo
  • 1/4 small red onion, finely diced (15 g/ 0.5 oz)
  • 1 tsp fresh lemon juice
  • sea salt and pepper, to taste
  • Optional: endive (chicory) leaves, baby lettuce leaves, pepper halves or keto bread to serve


  1. Place the drained sardines, mayonnaise, diced red onion and lemon juice into a bowl. Creamy Low-Carb Sardine Salad
  2. Mash with a fork. Taste and season with salt and pepper if needed. Creamy Low-Carb Sardine Salad
  3. Serve on its own or with crunchy vegetables, leafy salad bowls, bell pepper halves, or with our 90-Second Keto Bread like this one. To store, keep in a sealed container in the fridge for up to 3 days. Creamy Low-Carb Sardine Salad

Ingredient nutritional breakdown (per serving, about 115 g/ 4 oz salad)

Net carbsProteinFatCalories
Sardines, tinned (in oil)
0 g22.2 g10.3 g187 kcal
0.1 g0.2 g12.5 g111 kcal
Onion, red, fresh
1 g0.2 g0 g6 kcal
Lemon juice, fresh
0.3 g0 g0 g1 kcal
Salt, sea salt
0 g0 g0 g0 kcal
Pepper, black, spices
0 g0 g0 g0 kcal
Total per serving, about 115 g/ 4 oz salad
1.4 g22.5 g22.8 g305 kcal

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Martina Slajerova
Creator of

Martina Slajerova

I changed the way I ate in 2011, when I was diagnosed with Hashimoto’s, an autoimmune disease that affects the thyroid. I had no energy, and I found it more and more difficult to maintain a healthy weight.

That’s when I decided to quit sugar, grains, and processed foods, and to start following a whole-foods-based ketogenic approach to food.

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