INGREDIENTS
1
Rosemary or dried herbs, Fresh
1
Egg white
3 tbsp
Dijon mustard
1 cup
All-purpose flour
1/2 tsp
Pepper
3/4 tsp
Salt
1 1/4 tsp
Sugar
3 tbsp
Ice water
6 tbsp
Butter, unsalted
2 tbsp
Butter
3/4 cup
Gruyere cheese
2
Large vidalia (sweet) onions, halved and sliced thin