Preheat the oven to 350 degrees.
In a large bowl, add the pretzels, sugar, and melted butter. Stir together to combine.
In a 9x13" pan, add your pretzel mixture and then evenly press into the bottom of the pan.
Bake the crust for 10 minutes.
Remove from the oven. and set to the side and let cool.
Add your gelatin mix into a bowl and add boiling water.
Stir until the gelatin dissolves.
Set Jello aside to cool.
In a large mixing bowl, add in the cream cheese and sugar.
Mix on a medium speed, until well combined, then gradually add in the Cool Whip.
Fold in the Cool Whip until incorporated.
Spread Cool whip mixture evenly over the pretzel crust.
Refrigerate for 45 minutes to set.
Next, add the peach slices on top of the cream cheese mixture.
Pour the room-temperature Jello over the peaches.
Chill for 3 hours.
Serve, and enjoy!