Keto Tuna Avocado Bowl is a fresh, protein-rich low-carb meal packed with creamy avocado, flaky tuna, and vibrant flavors that keep you full without the carbs. This Keto Tuna Avocado Bowl recipe is perfect for quick lunches, easy meal prep, and anyone looking for a clean, energizing keto-friendly dish that supports weight loss and balanced macros.
About This Recipe
Bowls are one of the most versatile meals you can enjoy on a keto diet, and this Keto Tuna Avocado Bowl delivers everything you need in one nutrient-packed dish. With seared tuna as the protein base, creamy avocado for healthy fats, and cauliflower rice as a low-carb substitute for traditional grains, this bowl offers a balanced, satisfying meal thatβs perfect for lunch or dinner.
Tuna is an excellent choice for keto because itβs lean, rich in protein, and loaded with omega-3 fatty acids that support heart health and brain function. When paired with avocado, you get the perfect balance of protein and healthy fats, which helps keep you full and energized. Fresh vegetables like cucumber, radish, and a touch of leafy greens add crunch, color, and fiber while keeping carbs low.
The dressing is simple but powerful: sesame oil, soy sauce (or tamari for gluten-free), rice vinegar, and a touch of sugar-free sweetener to balance the flavors. A sprinkle of sesame seeds and green onions ties everything together, making this bowl not only nutritious but also incredibly flavorful.
One of the best parts about this dish is its adaptability. You can prepare it as a raw poke-style bowl using sushi-grade tuna, or lightly sear the tuna for a quick, restaurant-quality upgrade. Donβt like tuna? Swap it for salmon, shrimp, or even grilled chicken while keeping the same keto-friendly base.
This recipe is quick to make, visually stunning, and endlessly customizable. Itβs great for meal prep, easy weeknight dinners, or even an elevated lunch when you want something that feels light yet indulgent. Plus, with low net carbs, it fits seamlessly into your keto lifestyle without compromising taste or satisfaction.
Why Youβll Love This Recipe
- High in protein, healthy fats, and fiber π₯π
- Low-carb alternative to poke or sushi bowls
- Quick and easyβready in 20 minutes
- Fresh, vibrant, and customizable
- Perfect for lunch or dinner
Ingredients
- For the bowl:
- 8 oz (225 g) sushi-grade tuna steak (seared or raw)
- 1 medium avocado, diced
- 2 cups cauliflower rice (lightly sautΓ©ed or raw)
- 1/2 cucumber, thinly sliced
- 4 radishes, thinly sliced
- 1/4 cup green onions, chopped
- 1 tbsp sesame seeds (black or white)
- For the dressing:
- 2 tbsp soy sauce (or tamari for gluten-free)
- 1 tbsp sesame oil
- 1 tsp rice vinegar
- 1/2 tsp powdered erythritol (optional, for balance)
- Pinch of red pepper flakes (optional)
Instructions
- Prepare the cauliflower rice by sautΓ©ing lightly in a pan for 3β4 minutes, or keep raw for a fresh texture.
- Slice the avocado, cucumber, and radishes; set aside.
- If using seared tuna, heat a skillet over medium-high, sear tuna for 1β2 minutes per side, then slice thinly.
- Whisk together soy sauce, sesame oil, rice vinegar, sweetener, and red pepper flakes to make the dressing.
- Assemble bowls by layering cauliflower rice, tuna slices, avocado, cucumber, and radishes.
- Drizzle dressing over the top, sprinkle with sesame seeds and green onions, and serve immediately.
Nutrition (per serving)
- Calories: ~380
- Fat: 26 g
- Protein: 32 g
- Net Carbs: 5 g
- Fiber: 6 g
FAQ
- Can I use canned tuna instead of fresh?
Yes, but fresh or seared tuna gives the best flavor and texture. - Is this recipe dairy-free?
Yes, itβs naturally dairy-free. - Can I meal prep this bowl?
Yes, but store the dressing separately and add avocado just before serving. - Whatβs the best substitute for tuna?
Salmon, shrimp, or grilled chicken all work well.
Variations & Substitutions
- Swap tuna for cooked shrimp or salmon π¦
- Add sliced jalapeΓ±os for heat πΆοΈ
- Use spinach or arugula as a base instead of cauliflower rice
- Top with nori strips for sushi-inspired flavor
Serving Suggestions
- Serve as a light dinner with sparkling water or a keto mocktail
- Pair with a side of miso soup for an Asian-inspired meal
- Make mini bowls for a party or appetizer spread
- Add a soft-boiled egg for extra protein

Keto Tuna Avocado Bowl
Ingredients
For the bowl
- 8 oz sushi-grade tuna steak (seared or raw)
- 1 medium avocado (diced)
- 2 cups cauliflower rice (lightly sautΓ©ed or raw)
- 1/2 cucumber (thinly sliced)
- 4 radishes (thinly sliced)
- 1/4 cup green onions (chopped)
- 1 tbsp sesame seeds (black or white)
For the dressing
- 2 tbsp soy sauce (or tamari for gluten-free)
- 1 tbsp sesame oil
- 1 tsp rice vinegar
- 1/2 tsp powdered erythritol (optional, for balance)
- Pinch of red pepper flakes (optional)
Instructions
- Prepare the cauliflower rice by sautΓ©ing lightly in a pan for 3β4 minutes, or keep raw for a fresh texture.
- Slice the avocado, cucumber, and radishes; set aside.
- If using seared tuna, heat a skillet over medium-high, sear tuna for 1β2 minutes per side, then slice thinly.
- Whisk together soy sauce, sesame oil, rice vinegar, sweetener, and red pepper flakes to make the dressing.
- Assemble bowls by layering cauliflower rice, tuna slices, avocado, cucumber, and radishes.
- Drizzle dressing over the top, sprinkle with sesame seeds and green onions, and serve immediately.
Did you make this recipe?
Iβd love to hear from you β leave a comment below and tell me how it turned out, what you liked, or if you made any tweaks!
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