INGREDIENTS
2
lbs Ground beef, lean
2
lbs Yukon gold potatoes, large
1
Egg, large
2 tbsp
Dïjon mustard
1/4 cup
Ketchup
2 tbsp
Ght brown sugar, packed
1 1/2 tsp
Kosher salt
1/2 cup
Panko breadcrumbs
4 tbsp
Butter, unsalted
1 cup
Half-and-half
1
For the meatloaf
2 cups
Water
1/3 cup
Whole mïlk
1
Smâll yellow onïon, grâted on the lârge holes of â box grâter