Four-Chocolate Panettone

Type 0 soft WHEAT flour, butter (MILK), water, EGG yolk, sugar, 60% dark chocolate (cocoa mass, sugar, SOY lecithin, natural vanilla flavor), 46% MILK chocolate (sugar, cocoa butter, whole MILK powder, cocoa mass, SOY lecithin, natural vanilla extract), 32% blond chocolate (cocoa butter, sugar, whole MILK powder, skimmed MILK powder, WHEY, BUTTER, SOY lecithin, natural vanilla extract), 30% white chocolate (sugar, cocoa butter, whole MILK powder, skimmed MILK powder, SOY lecithin, natural vanilla flavor), sourdough starter (type 0 soft WHEAT flour, water), candied lemon paste (lemon, sugar, glucose syrup), organic honey, salt, glaze [EGGS, cream (MILK), EGG yolk, pearl sugar]