You already know you don't want to read a speech verbatim from a screen or notes. You could memorize the speech word-for-word, but not everyone is able to do that—and it isn't natural. Instead, use "key images" to remember your important points.
Everyone's seen those pins and posts about using cups with lids to serve cupcakes at bake sales, etc and I've never been able to get it to work because once you get the cupcake in you can't get it out without a handful or icing. good idea: invert the cup!