pn Salt Chocolate Sauce: In saucepan, whisk together sugar, shipping cream, cocoa, vanilla and salt until smooth; cook over medium heat, stirring for 8-10 minutes or until thickened and smooth. Let cool. [Makes 1- half cups.] Cake: Let strawberry ice cream stand at room temperature for about 20 minutes or until spreadable; pack evenly into 23 cm springform pan. Pour chocolate sauce over top. Freeze for 15-20 minutes or until firm. Meanwhile, let vanilla ice cream stand at room temperature for about 20 minutes or until softened. Meanwhile, drain pineapple and pure in food processor; mix into vanilla ice cream. Spread over chocolate layer; freeze for 20 minutes or until firm. Meanwhile, let chocolate ice cream stand at room temperature for 20 minutes or until softened; spread over pineapple layer. Freeze for 20 minutes or until firm. [Cake can be prepared to this point, covered and stored in freezer for up to 3 days.] Strawberry Sauce: Meanwhile, in small saucepan, stir together strawberries, sugar and orange rind. Blend orange juice with cornstarch; stir into pan and cook, stirring, over medium-high heat for 7-8 minutes or until thickened. Refrigerate until chilled. Whip cream with icing sugar; spread or pipe over top of cake. Remove side of pan; garnish with banana and strawberry sauce. Serve immediately.