Preheat the oven at 180 ° C and prepare a baking tray with a non-stick paper.
Stir the cream cheese, butter, sugar, salt and vanilla with a mixer at medium speed until smooth and fluffy, about 2 minutes, then adjust the blender to low speed and slowly add the flour. Until completely mixed.
Spread the dough evenly onto the baking sheet and bake in the oven for 15 minutes.
At this time, put the sugar of the cashew nut ingredients into the thick bottom pot, heat for about 5 minutes on low heat, boil the sugar into caramel color, and add butter to the fire to stir. (There are a lot of bubbles at this time) until the butter is completely melted, it takes 1~2 minutes.
Add the whipped cream and salt together, add the cashew nuts and stir.
When crispy baking for 15 minutes, remove and pour the caramel cashews on top, sprinkle Shanghai salt on top, and continue to bake for 30 minutes.
After taking out, cut into strips and completely cool.