Do I need ring molds?
No, but they help a lot. If you skip them, keep the batter thick, cook on very low heat, and build height by adding a second spoonful of batter on top after the first minute of cooking.
Should I remove the ring molds before flipping?
Sometimes, yes. Once the first side is set and the pancake can hold its shape, you can lift the rings off (especially if they are tall or metal) to make flipping easier. If the batter still looks loose, leave them on a little longer.
Why did my pancakes deflate?
The usual suspects are overmixed batter (meringue knocked out), heat too high (outside sets before the inside, then it collapses), or underwhipped egg whites (a soft foam can't hold structure). Also, don't let the batter sit around. Cook as soon as you fold.
What is the best pan temperature?
Think low. On most stoves that's low to medium-low. If your butter browns instantly or the pancakes darken fast, you're too hot. These should cook gently with minimal browning at first.
Can I make the batter ahead?
I wouldn't. Meringue starts losing volume as it sits, and you'll lose the tall stack effect. You can pre-measure your dry ingredients and separate eggs in advance, then whip right before cooking.
Can I use pancake mix?
You can, but results are less consistent because mixes vary. This recipe is basically pantry staples anyway, and it's more reliable for structure.
How do I know they are cooked through?
The tops should look matte, the sides should feel set (not wobbly liquid batter), and a gentle press should spring back. If you're a numbers person, aim for an internal temp around 190 to 200°F (88 to 93°C). If in doubt, keep the heat low and give them another 1 to 2 minutes covered.