Preheat the oven to 320°F and spread the flour evenly onto a baking sheet lined with parchment paper.
Bake the flour for 10 minutes and set aside to cool completely.
Cream the butter and sugar in a food processor until combined. Add in the remaining ingredients except for the sprinkles.
Pulse to combine. If the mixture is too dry, add in a bit more non-dairy milk.
Stir in the sprinkles and refrigerate the vegan cookie dough until ready to serve.
Notes
Remove the vegan cookie dough from the fridge a few minutes before serving. It's best enjoyed at room temperature to soften the butter that may have hardened after refrigeration.
You can freeze scoops of this vegan cookie dough on a parchment-lined baking sheet until solid, then store the bite-sized balls in a freezer-safe container in the freezer for up to 3 months. Just let the cookie dough balls sit out at room temperature before eating.