Preparation / Directions:
Combine the first 8 ingredients in a bowl; stir well, and set aside.
Wash beans; trim ends, and remove strings. Set aside.
Arrange potato in a vegetable steamer over boiling water; cover and steam 8 minutes. Add beans to steamer; cover and steam 8 minutes.
Combine potato, beans, fennel, and tomato wedges in a large bowl. Add 1 cup bell pepper mixture; stir well.
Place a large nonstick skillet over medium-high heat until hot. Add tuna; cook 4 minutes on each side or until medium-rare. Yield: 6 servings.