For a more cohesive batch, use a wire rack set on top of a baking sheet instead. This tool helps ensure frozen french fries get even airflow from top to bottom. They'll all end up crispy and ...

Halve the mixture and set half to one ... on the prepared baking trays and bake in the preheated oven for 10–15 minutes. Remove from the oven and lift onto a wire rack to cool.