01 -
Pat tuna steaks dry and coat evenly with olive oil. Season on both sides with garlic powder, onion powder, salt, and black pepper.
02 -
Heat a large cast iron grill pan over medium-high heat. Grill the tuna steaks for 2–3 minutes per side until desired doneness is achieved. Transfer to a cutting board and allow to rest for 5 minutes before slicing.
03 -
Melt butter in a small saucepan over medium heat. Add minced garlic and sauté for 1 minute, until fragrant. Pour in heavy cream, then add parsley and oregano. Season with salt and pepper. Simmer for 1–2 minutes, stirring constantly, until sauce thickens and becomes smooth.
04 -
In a mixing bowl, combine mixed greens, cherry tomatoes, and cucumber. Drizzle with olive oil and red wine vinegar, then toss gently to coat. Season with salt and pepper as desired.
05 -
Arrange salad on serving plates. Slice tuna steaks and place atop greens. Spoon the creamy garlic sauce generously over the tuna to finish.