Makes 3 Dozen Cookies

Specialty Equipment: Madeleine Pan

• 1 cup unsalted butter
• 1 cup whole hazelnuts, toasted
• 2 1/2 cups powdered sugar, divided
• 1/2 cup plus 2 tablespoons flour
• Pinch of salt
• 8 egg whites
• 1/2 teaspoon vanilla extract
• Zest of half a lemon

1. Preheat oven to 325°F.
2. In small saucepan, melt butter until light amber in color.
3. Brush madeleine pan very lightly with melted butter and blot with a paper towel to remove excess butter. Set aside remaining butter left in saucepan.
4. Dust pan lightly with small amount of flour and tap pan to remove excess.
5. Place hazelnuts and 2 tablespoons of powdered sugar in food processor fitted with a steel blade and process until very fine.
6. In large bowl, combine hazelnut mixture, remaining powdered sugar, flour, and salt.
7. Add egg whites, vanilla, and lemon zest; whisk to combine.
8. Add remaining melted butter and whisk until incorporated. Fill molds evenly with batter.
9. Bake 14 to 18 minutes. Cool 2 minutes, and remove from pan.
10. Cool completely on racks.
11. Dust cookies with additional powdered sugar, if desired.