In 10-inch nonstick skillet, melt remaining 1 tablespoon butter over medium-high heat. Cook potatoes in butter 5 minutes, stirring occasionally. Stir in lima beans and corn. Cook 3 to 5 minutes or until vegetables are crisp-tender. Spoon mixture around halibut in baking dish. Sprinkle halibut and vegetables with remaining ingredients; stir vegetables slightly.