→ Main Ingredients
01 -
4 pounds of Yukon Gold potatoes, cut into thin slices about 1/8-inch thick
02 -
1 small onion (yellow or white), sliced very thin after peeling
03 -
4 big garlic cloves, finely chopped up
→ For the Sauce
04 -
3 tablespoons of butter
05 -
1/4 cup of regular all-purpose flour
06 -
2 cups of whole milk or you can swap in half and half if you prefer
07 -
1 cup of chicken or veggie broth
→ Cheese
08 -
2 cups of sharp cheddar cheese, freshly shredded
09 -
1/2 cup of Parmesan cheese, also freshly grated, plus extra if you’d like for serving
→ Seasonings
10 -
1/2 teaspoon of black pepper
11 -
1 1/2 teaspoons of kosher salt
12 -
2 teaspoons of fresh thyme leaves, split into two portions