The best type of thermometer â or the best place to insert the thermometer, in some cases â depends on your child's age. Birth to 3 months. Use a regular digital thermometer to take a rectal temperature. New research suggests that a temporal artery thermometer might also provide accurate readings in newborns. 3 months to 4 years.
Instead of using flour and butter, we just use corn flour (corn-starch in North America and maizena in most of Europe and the rest of the world). All we do is whisk the corn flour into COLD milk. Heat slowly, whisking all the while.Simmer very slowly for 5 minutes.nstead of using flour and butter, we just use corn flour (corn-starch in North America and maizena in most of Europe and the rest of the world). All we do is whisk the corn flour into COLD milk. Heat slowly, whisking all the while.
It is not a direct substitute, but you can make a good white sauce using corn starch. The recipe is found right on the side of the Argo cornstarch box and it turns out quite wâ¦ell. The trick is to stir vigorously to blend before adding the milk and then to stir continuously after adding the milk so nothing scorches.