Frequently Asked Questions About Tuna Salad
Tuna salad lasts up to 3 days in the refrigerator in a sealed container. After 3 days the texture degrades and the risk of bacterial growth increases. Always use a clean utensil when serving to avoid introducing bacteria. Discard immediately if you notice any off odor, slimy texture, or discoloration.
Yes — tuna salad is a highly nutritious meal. Canned tuna delivers 25 to 35 grams of protein, omega-3 fatty acids, selenium, and B12 at very low cost. The main consideration is mercury — light canned tuna is lower in mercury than albacore. Limit consumption to 2 to 3 servings per week and use avocado mayo for a healthier fat profile.
Greek yogurt is the healthiest mayo substitute — it adds protein and probiotics while dramatically reducing calories and fat. Avocado mashed into the tuna adds healthy monounsaturated fats and creaminess. Hummus works for a dairy-free, legume-based option. Each substitute changes the flavor profile slightly but produces a nutritious, satisfying tuna salad.
Yes — tuna salad made with full-fat mayonnaise and served in lettuce wraps or on its own is fully keto-compatible. Tuna contains zero carbs. Avoid adding sweet pickle relish or other sugary mix-ins. A standard serving contains approximately 1 to 3 grams of net carbs depending on what vegetables are included.
Chunk light tuna packed in water is the best choice for tuna salad — it is lower in mercury than albacore, has a mild flavor that absorbs dressing well, and is the most affordable option. Albacore has a firmer, meatier texture and slightly stronger flavor. Oil-packed tuna is richer but adds significant calories — drain well if using.

Keto Tuna Salad
Equipment
- Large bowl
- Fork
- Cutting board
- Knife
Ingredients
- 2 cans of tuna in water drained
- 1 ripe avocado diced
- 1/4 cup mayonnaise preferably made from avocado oil
- 1/4 cup Greek yogurt
- 2 celery stalks finely chopped
- 1/4 red onion finely chopped
- 1 tbsp fresh lemon juice
- 1 tbsp fresh dill chopped
- 1 tbsp fresh parsley chopped
- Salt and pepper to taste
Instructions
- In a large bowl, combine the drained tuna, diced avocado, mayonnaise, and Greek yogurt. Mix until well combined.
- Add the chopped celery, red onion, lemon juice, fresh dill, and parsley. Stir to incorporate all the ingredients evenly.
- Season with salt and pepper to taste.
- Serve immediately or refrigerate for up to 2 days for the flavors to meld together.
- Enjoy your healthy and delicious Keto Tuna Salad!




