Using ingredient confectioners sugar for sprinkling

1990 1st Place: Nut Crescents

• 2 egg yolks
• 2 egg whites
• 1 confectioners sugar for sprinkling
• 500 gr flour
• 270 gr softened butter (unsalted)
• 200 gr nuts
• 140 gr nuts until mixed (ground)
• 100 gr granulated sugar
• 75 gr confectioners sugar