In a saucepan over medium heat, melt the butter and sweat the shallots, 3 minutes.
Add the flour and continue cooking for 3 minutes, constantly stirring.
Pour in the bouillon and bring to a boil.
Whisk in the mustard.
Add the smoked meat and keep warm.
For store-bought fries, follow package directions.
Divide the fries among 4 bowls, distribute the cheese and the smoked meat over the fries, and pour the sauce mixture on top. Garnish with the pickle slices.