White vs milk chocolate

Milk chocolate contains cocoa solids; white chocolate contains none. That single difference explains almost everything else.

Side by side

 White chocolateMilk chocolateWhy it matters
Cocoa solidsNone. Cocoa butter only.Present, typically 10–35% of the bar.Cocoa solids carry bitterness, colour and most of chocolate's aroma. Their absence is why white chocolate is pale, sweet and mild rather than a lighter version of milk chocolate.
Sensitivity to heatScorches easily; the milk solids and sugar catch before the fat is fully melted.More forgiving, though still far less so than dark.White chocolate needs lower melting temperatures and closer attention. Most white chocolate failures are heat damage rather than technique.
TemperingLowest working temperatures of the three, around 28–29°C.Around 29–30°C.Using dark chocolate's temperatures on white produces a soft, streaky set.
Ganache ratioAround 3:1 or 4:1 chocolate to cream.Around 3:1.Both need substantially more chocolate than dark for the same firmness, because neither carries much cocoa solid to set the emulsion.

Choose White chocolate when

When you want sweetness and dairy as the flavour, or a pale colour, or a base that will not compete with a delicate infusion — white chocolate is the best carrier for floral and citrus flavourings precisely because it contributes so little.

Choose Milk chocolate when

When you want chocolate flavour at a mild intensity, and in any application where a small amount of bitterness is wanted to keep the sweetness in check.

When the distinction does not matter

In a heavily flavoured application — a strong coffee or fruit filling — the difference narrows considerably.

Related

Compared in

  • White chocolateSet against Milk chocolate, with the practical consequence of each difference.
  • Milk chocolateSet against White chocolate, with the practical consequence of each difference.

Sources

  • ChocolateHQ editorial synthesisChocolateHQ(citation identity confirmed; passage not re-read)
  • Directive 2000/36/EC of the European Parliament and of the Council relating to cocoa and chocolate products intended for human consumptionEuropean Parliament and Council of the European Union, 2000(citation identity confirmed; passage not re-read)