INGREDIENTS
1 cup
(2 sticks, 16 Tablespoons) unsalted butter, at room temperature
1 cup
brown sugar
2
egg yolks, lightly beaten
Zest of 1 lemon
2 tbsp
fresh lemon juice
1/2 tsp
salt
1 tbsp
chopped fresh rosemary
2 cups
all purpose flour, plus more for rolling
1/2 cup
coarse sparkling sugar