Banana Split Squares

• 3 bananas (peeled)
• 2 oreo cookies (crushed)
• 1,400 ml strawberry ice cream fudge sauce (thick)
• 1,400 ml vanilla ice cream
• 240 ml whipping cream
• 240 ml fudge sauce (thick)
• 170 gr semisweet chocolate chips
• 40 gr margarine softened
• 30 ml lemon juice (fresh)