01 -
3 lbs of Yukon Gold potatoes, thinly sliced to about 1/8-inch.
02 -
Half of a medium yellow onion, sliced super thin.
03 -
3 tablespoons of butter, unsalted and softened.
04 -
A quarter cup of plain flour.
05 -
2 cups of whole milk—no substitutions.
06 -
1 cup of broth made from vegetables.
07 -
Grate 4 garlic cloves.
08 -
1 tablespoon of fresh thyme, leaves only.
09 -
2 teaspoons of sea salt, or as you like.
10 -
Half a teaspoon of regular black pepper.
11 -
1 and a half cups of grated cheddar cheese.
12 -
Butter to coat your pan.