01 -
Preheat oven to 350 degrees Fahrenheit.
02 -
Place the pretzels into a zip-top bag and crush into coarse crumbs using a rolling pin, or pulse in a food processor ensuring a mix of textures.
03 -
Mix crushed pretzels with the sugar and melted butter in a bowl. Press into a 9x13-inch glass baking dish to form an even crust layer. Bake for 10 minutes at 350 degrees Fahrenheit, then let cool completely on a wire rack.
04 -
Use an electric mixer to beat cream cheese, sugar, and vanilla on medium speed for 5 minutes, scraping sides as needed. Fold in the thawed whipped topping with a rubber spatula.
05 -
Spread the cream cheese mixture evenly over the cooled crust, taking care to cover to the edges to prevent topping seepage. Cover and refrigerate for 1 hour.
06 -
Whisk together jell-o powder and boiling water for 2 minutes until dissolved. Stir in frozen sliced strawberries and let rest for 2 minutes.
07 -
Spoon the jell-o mixture over the cream cheese layer, spreading evenly. Cover and refrigerate for at least 6 hours.