Why Do Pancakes Form Bubbles and Little Holes?

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Stack of golden homemade pancakes in a cast-iron skillet

Bubbles appear when leavening releases gas and moisture turns to steam inside the heating batter. When bubbles break at the surface, they leave small holes that help signal the pancake is ready to flip.

Golden pancakes cooked in a dark cast-iron skillet

Read the bubble pattern

  • Wait until bubbles appear across the surface and some holes remain open.
  • Look at the edge too: it should appear less shiny and more set than the wet middle.
  • If bubbles appear immediately but the underside turns very dark, reduce the griddle heat.
  • If there are few bubbles, check leavening freshness and avoid overmixing.

What to avoid

Do not flip solely because of one bubble near the edge; use the surface and underside together.

Frequently asked question

Do all pancake recipes bubble the same?

No. Thin crêpe-like batters and recipes without standard chemical leavening behave differently.

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