
Start by adding the mini marshmallows to a large skillet over medium to low heat with the melted unsalted butter and stir everything very well until the marshmallows are completely melted.
Add the powdered milk and stir again to combine.
Next, add the frozen ripe strawberries and stir again.
Add the chocolate cookies and using your hands greased with vegetable oil, mix everything until combined.
Finally, grease a baking pan with vegetable oil, transfer all the mixture we prepared and spread it evenly.
Place it in the refrigerator and let it chill for at least 1 hour.
Serve.