For TM31 users: when blending gradually increase from speed 4 to speed 8.

When buying fish, try to source a fish that is both sustainable and lower in mercury. Try to avoid fish that's typically high in mercury, such as shark (flake) or billfish (swordfish, marlin).

If you can't source purple sweet potato or purple carrots, regular is fine too. The purple option contains anthocyanins not found in the standard orange varieties, so they're worth including in your baby's diet from time to time.

Unlike most packaged baby custard, this custard has no added sugar. It simply derives its natural sweetness from the dates and banana. Remember that riper bananas are naturally sweeter, so try not to use unripe banana.

You can replace the olive oil with butter in this recipe or use half of each. Butter tends to be preferred by many babies, but it's also worth getting your child accustomed to the more peppery flavour of olive oil.

You can replace asparagus with 30 g of peas, if desired.

For TM31 users: when blending gradually increase from speed 4 to speed 8.