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Spicy Tuna Rice Casserole

This one pot Spicy Tuna Rice Casserole tastes like a sushi roll, in a healthy, gluten free weeknight dinner form! A crowd-pleasing meal that only requires on dish!
Course Main Course
Cuisine American
Keyword gluten free dinners, healthy casserole recipes, seafood dinner recipes, tuna recipes
Prep Time 5 minutes
Cook Time 25 minutes
Total Time 25 minutes
Servings 4 People
Calories 357kcal


  • 2 1/4 Cups Water
  • 1 Cup Uncooked White rice (I like Jasmine rice)
  • 1 Cup Cucumber, grated (about 1 large cucumber)
  • 4 Sheets Nori, broken into peices
  • 2 Cans Genova Albacore Tuna in Olive Oil, drained
  • 1/4 Cup Reduced-sodium soy sauce (GF if needed)
  • 1/2 Cup Plain, non-fat Greek yogurt (dairy-free plain yogurt works well too)
  • 1/4 Cup Unseasoned rice vinegar
  • 4 tsp Sriracha
  • 1 Large avocado, diced
  • Sliced green onion, for garnish
  • Sesame seeds, for garnish


  • In a large,  high-sided pan bring the water to a boil. Once boiling, stir in the rice, cucumber, nori, and tuna. Bring back to a boil and cook for 2 minutes, stirring occasionally.
  • Stir in the soy sauce, reduce the heat to low, and cover and simmer until all the liquid is absorbed, about 20-25 minutes.
  • In a small bowl, whisk together the yogurt, rice vinegar and sriracha. Once the rice is cooked, stir the yogurt mixture into the rice until well mixed and creamy.
  • Serve with the diced avocado, and green onion and sesame seeds.


Calories: 357kcal | Carbohydrates: 42.7g | Protein: 23.6g | Fat: 10.7g | Saturated Fat: 1.6g | Polyunsaturated Fat: 1.6g | Monounsaturated Fat: 6.4g | Cholesterol: 20mg | Sodium: 1064mg | Potassium: 232mg | Fiber: 4.4g | Sugar: 1.7g | Vitamin A: 350IU | Vitamin C: 6.4mg | Calcium: 52mg | Iron: 0.9mg