Preheat oven to 350.
Spray 9x13 casserole dish with non-stick spray.
Mix pretzels, sugar, melted butter. Spread in bottom of prepared dish & bake for 10 minutes.
Remove crust from oven and allow to cool.
Mix cream cheese with sugar, fold in whipped cream.
Spread over cooled pretzel crust. Cover and refrigerate for 30 minutes.
Mix jello & boiling water. Stir to dissolve. Add cold water and mix. Add sliced strawberries.
Cool jello mixture in refrigerator 30 minutes. Once cool, pour over cream cheese mixture.
Allow entire dessert to chill until jello is firm. Enjoy