INGREDIENTS
1
Leek, large
2 tsp
Thyme, fresh leaves
1
Yellow onion, small
2
Yukon gold potatoes (roughly 1 lb), medium
1
All-purpose flour, unbleached
1 1/4 tsp
Black pepper, freshly ground
1 tsp
Kosher salt
2 tbsp
Olive oil, extra virgin
3 tbsp
Heavy cream
3 1/2 oz
White cheddar cheese, sharp
1
Large whole eg + 1 teaspoon milk, for the egg wash