Egg custard dry mix has 410 kcal per 100 g of powder. But a serving uses ~25 g and prepares with 240 ml milk. The prepared cup is ~140–180 kcal. Dry-powder values overstate the real serving 4–5×. Always log the prepared cup, not the box.
How should I track Egg custards, dry mix?
Egg custards, dry mix is a good source of calcium. The trickiest part about tracking Egg custards, dry mix is that small portions pack a lot of calories, and most people estimate sweet portions poorly. Research (Almiron-Roig et al., Appetite 2013) found that calorie-dense foods are underestimated by 50–200% when portioned by eye. Weighing on a scale takes the guesswork out. And here is the mindset shift that helps: tracking sweets is not about guilt. It is about awareness. When you log a treat honestly, you can plan around it and still hit your targets for the day.