-
1
For the fries: Preheat oven to 400 F. Line a baking sheet with parchment paper and spread the fries onto the sheet.
-
2
Bake fries until golden brown and crispy, about 25-30 minutes.
-
3
Prepare the mushroom gravy and Swiss cheese sauce while the fries are cooking.
-
4
For the mushroom gravy: Melt 1/3 of the butter in a saute pan over medium heat.
-
5
Add the mushrooms into the pan (do not salt them).
-
6
Brown the mushrooms, stirring occasionally, for about 5-7 minutes.
-
7
In a measuring cup, whisk water and brown gravy mix until combined.
-
8
Pour over the mushrooms.
-
9
Cook, stirring occasionally, until the gravy thickens, about 2-3 minutes.
-
10
Season with salt and pepper to taste.
-
11
For the Swiss cheese sauce: Melt the remaining 2/3 of the butter in a saucepan over medium-low heat.
-
12
Slowly whisk in the cornstarch until smooth.
-
13
Cook, whisking constantly, for 30 seconds.
-
14
Slowly whisk in the milk.
-
15
Cook, whisking occasionally, until the mixture thickens, about 3-4 minutes.
-
16
Slowly whisk in the shredded cheese and Worcestershire sauce until smooth.
-
17
Season with salt to taste.
-
18
For the assembly: Place cooked fries on a large platter or in a large cast iron skillet.
-
19
Top with mushroom gravy and cheese sauce.
-
20
Sprinkle with grated Swiss cheese (optional).
-
21
Serve immediately.
