1 If you're a beginner, start with 3 to 4 days of the cardio exercise of your choice, working at a level you can handle. 2  Add time each week to work your way up to 30 to 45 minutes of continuous exercise.  As you get stronger, try interval training once a week to help boost endurance and burn more calories.
Instructions: 1  Add thawed Ahi Tuna Steaks to medium hot fry pan (thatâs been greased with extra virgin olive oil) 2  Add salt, pepper, and lemon pepper to Ahi Tuna Steak while itâs cooking. 3  Rub in a little bit of extra virgin olive oil.  Cook for 3 minutes on each side for medium rare. Add one minute for medium.
Step 7. Bake for approximately 25 to 45 minutes at 350 degrees Fahrenheit. Cooking time depends on the oven temperature, quantity and size of steaks. For example, a 7-ounce tuna steak bakes in 20 minutes at 400 degrees Fahrenheit.