Rub each side of the tuna filets with 1/2 teaspoon spice blend.
Heat the avocado oil in a large heavy-bottomed skillet over high heat. Sear the tuna for a minute and a half per side. Remove from pan and serve immediately.
Macros per serving, assuming 1 tbsp of the oil is absorbed: 160 calories, 0 grams net carbs, 28 grams protein, 4 grams fat.
Keyword high protein, keto, low carb, low-calorie, seafood, tuna