In a large bowl, combine the first 7 ingredients and form into four patties about 1" thick. Coat a large grill pan or griddle with cooking spray and set over medium heat. When pan is hot, add burgers and cook 5-6 minutes per side until cooked through. Mix wasabi and ketchup in a small bowl. When burgers are cooked, place on whole wheat rolls and top with ketchup mixture.

Nutrition Information per serving:
274 Calories; 4g Fat (15.2% calories from fat); 27g Protein; 29g Carbohydrate; 3g Dietary Fiber; 50mg Cholesterol; 711mg Sodium.  Exchanges: 1 1/2 Grain(Starch); 3 Lean Meat; 0 Vegetable; 1/2 Fat; 1/2 Other Carbohydrates.