For the pastry tree
01 -
2 sheets frozen puff pastry, about 11 oz (320 g) each, thawed but cold
02 -
1 tablespoon Dijon mustard
03 -
8 oz (225 g) thin sliced deli ham
04 -
1 1/2 cups (150 g) finely grated sharp cheddar, Gruyere, or Swiss cheese
05 -
1 large egg, beaten
06 -
2 tablespoons finely grated Parmesan, for finishing
07 -
1 tablespoon chopped fresh parsley, optional
For the cheese dip
08 -
1 tablespoon (14 g) unsalted butter
09 -
1 tablespoon all-purpose flour
10 -
1 cup (240 ml) whole milk, warm
11 -
1/2 cup (60 g) grated Gruyere or Swiss cheese
12 -
1 pinch ground nutmeg
13 -
Salt and white pepper, to taste