INGREDIENTS
9
slices Prosciutto
1 tbsp
Thyme, fresh leaves
2
Eggs
1 tsp
Dijon mustard
1
Fruit jam
1
Kosher salt and black pepper
1
Sugar, coarse
2
sheets Puff pastry, frozen
3 tbsp
Butter, salted
1 cup
Gouda cheese
1 cup
Gruyere cheese
1/2 cup
Heavy cream or whole milk