Favoreats
Favoreats LLC
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INGREDIENTS
1
Onion, medium
1 tbsp
Thyme, fresh leaves
1 tsp
Mustard, dry
1/2 tsp
Black pepper, freshly ground
3 tbsp
Flour
1 tsp
Kosher salt
3 1/3 tbsp
Butter
2 cups
Milk
2 pounds yukon gold potatoes (peeled and thinly sliced crosswise)