Preheat oven to 425.° Once heated add french fries for 25 minutes or follow package directions.
While french fries are baking, begin making the gravy by following package directions.
Once gravy is complete, add defrosted pastrami and sliced onions to a preheated skillet on medium heat. Brown both the onions and pastrami to desired likeness.
Once french fries are finished assemble dish by covering french fries in gravy, pastrami and onions, and cheese curds. Garnish with any fresh herb.