Crostata di mele glassata
all-purpose flour (300 grams) • softened unsalted butter (180 grams) • plus 1 tablespoon sugar (110 grams) • whole egg and 1 egg yolk • salt • baking powder (8 grams) • Apricot jam, • apples • egg white • powdered sugar (125 grams) • Apricot jam,