Tempura Batter for Fish and Vegetables

1 cup all-purpose flour 2 tablespoons cornstarch 1/2 teaspoon salt 1 cup ice water (if you desire a beer batter) or 1 cup beer (if you desire a beer batter) 1[...]

1 (2 ounce) packet tempura mix 500 g pacific dory fillets (Or other flaky fish) 1 medium red pepper 1 medium green pepper 1 medium orange bell pepper 1 large[...]