How many calories in a 6 ounce filet mignon steak grilled topped with crab meat and lemon butter sauce?

A 6-ounce filet mignon steak typically contains around 400-450 calories, depending on the cut and cooking method. When topped with crab meat and lemon butter sauce, you can add approximately 150-200 calories from the crab and sauce. Therefore, the total calorie count for the dish would be around 550-650 calories.