Start by gathering all your ingredients. Crush the pretzels in a zip-top bag or use a food processor until fine. Ensure you have your butter melted and the cream cheese softened to make mixing easier.

Preheat your oven to 350°F (175°C). In a bowl, combine the crushed pretzels, sugar, and melted butter. Mix them until the pretzels are well combined and coated.

Once mixed, press the pretzel mixture into the bottom of a 9x13 inch baking dish evenly. This will form the delicious crust for your Strawberry Pretzel Fluff.

Place the baking dish in the preheated oven and bake for 10 minutes. When done, remove from the oven and allow it to cool completely before proceeding.

In a separate bowl, use a mixer to beat the softened cream cheese until smooth. This forms the base of your fluffy filling.

Carefully fold in the whipped topping into the cream cheese mixture. Mix gently to maintain the fluffiness and light texture of the whipped topping.

Add the sliced strawberries and drained crushed pineapple to the cream cheese and whipped topping mixture. Stir gently until fully combined.

Spread the fruit and cream cheese mixture evenly over the cooled pretzel crust. Make sure to cover the crust completely for a beautiful presentation.

Refrigerate the assembled Strawberry Pretzel Fluff for at least 2 hours. This chilling time allows the flavors to meld and the dessert to set properly for easy slicing.

After chilling, slice into squares and serve. Enjoy this delightful dessert with friends and family.