You can replace the cream of tartar with ½ tsp ACV (apple cider vinegar).
You can swap lemon zest and juice for 1 tsp vanilla extract if you want classic Angel Food Cupcakes.
You should obtain 20-25 little snowflakes, depending on how thinly you manage to roll out the dough.
I recommend not removing the paper liners in advance: when ready to serve, place on individual dessert plates and let your guests peel the liner sides down before enjoying.
Macros are for each complete cupcake, including cream topping and 1 star.
Metric kitchen scales are incredibly easy to use and very accurate.
THIS is the one I use.