Michel et augustin, super cookies with melty middle

Ingredients

Chocolate and hazelnut filling, [sugar, sunflower oil, chocolate (cocoa powder, sugar, chocolate liquor), hazelnuts, nonfat dry milk, soy lecithin], unbleached wheat flour, butter milk chocolate chips (sugar, dry whole milk, cocoa butter, chocolate liquor, dry whey, nonfat dry milk, soy lecithin, natural vanilla flavor), sugar, chopped hazelnuts, egg and egg whites, ground hazelnuts, wheat starch, leavening (disodium diphosphate, sodium hydrogen carbonate), salt.