Good-Cooking - Banana Split Cheesecake

Ingredients

• 3 cups vanilla wafers, crushed
• 1 1/2 cups roasted peanuts, crushed
• 1/2 cup granulated sugar
• 8 teaspoons butter, softened
• 1 pound cream cheese, softened
• 3/4 cup granulated sugar
• 2 teaspoons lemon juice
• 4 eggs
• 3/4 cup sour cream
• 4 (medium to large) bananas, mashed