INGREDIENTS
2
large egg
2/3 cup
plus 2 tablespoon granulated sugar (5-1/2 ounces)
2 tsp
lemon zest, from 1 lemon, freshly grated
2 1/2 sticks
unsalted butter, softened
1/2 tsp
table salt
1 tsp
vanilla extract
3 cups
unbleached all-purpose flour (15 ounces)
1 tsp
large egg white , lightly beaten
food coloring: red, orange, yellow, green, blue, purple