Pre-heat oven to 350°
In a large bowl or mixer, beat together the butter and sugar until it's smooth.
Next, add the vanilla, salt, baking soda, egg, and collagen. and mix again.
Add in the flour about 1/2 cup at time and mix.
Fold in the white chocolate chips and freeze-dried strawberries.
Transfer the dough to the fridge for 10 minutes. Then roll onto even balls.
Add the cookies on a parchment-lined baking sheet and bake for 9-11 minutes depending on your oven. You want them to be soft and chewy.
Remove them from the oven and allow for them to cool for about 5 minutes before transferring to a wire rack to finish cooling.
Store in an air-tight container and enjoy.