In a bowl, combine crushed pretzels, melted butter, and granulated sugar. Mix until it resembles wet sand.

1. Press mixture firmly into the bottom and sides of a 9-inch pie dish. Chill for 30 minutes to set.
2. In a large bowl, beat peanut butter, cream cheese, powdered sugar, and vanilla until smooth.
3. Fold in whipped topping until light and fluffy.
4. Arrange sliced bananas evenly over the chilled pretzel crust.
5. Spread peanut butter filling evenly over bananas.
6. In a microwave-safe bowl, combine chocolate chips and heavy cream. Microwave in 30-second intervals, stirring until smooth.
7. Pour ganache over peanut butter filling and smooth the top.
8. Refrigerate for at least 4 hours or until fully set.
9. Garnish with extra crushed pretzels, chopped peanuts, or banana slices before serving, if desired.