Updated 19 July 2026 · Written by Daniel Wright

Brownies sink after baking mainly because the center is underbaked, too much raising agent was used, or the batter was overmixed and full of air. A slight dip is normal and even desirable for fudgy brownies, but a deep collapse means baking them a little longer and measuring leavening carefully.

Quick Answer

A small dip is normal for fudgy brownies. A big sink means they are underbaked or over-leavened. Bake until the center is just set with moist crumbs on a skewer, and do not overmix or over-raise the batter.

Why Brownies Sink

The center is underbaked

Brownies set from the edges in, so a wet center collapses as it cools. Bake until a skewer shows moist crumbs, not raw batter.

Too much leavening

Many brownie recipes use little or no raising agent. Too much makes them puff then fall. Measure carefully or follow the recipe exactly.

Overmixing the batter

Beating in too much air gives a cakey top that sinks as the air escapes. Mix just until combined for a dense, fudgy result.

A slight dip is normal

Fudgy brownies naturally settle a little in the middle. A shallow dip is a sign of a moist brownie, not a fault.

How to Bake Even Brownies

  1. Bake until a skewer in the center comes out with moist crumbs, not wet batter.
  2. Measure any baking powder or soda precisely, or leave it out if the recipe does.
  3. Fold the batter just until combined to avoid whipping in air.
  4. Cool the brownies in the pan so they finish setting.
  5. Accept a slight dip as a sign of a fudgy brownie.

Common Mistakes to Avoid

  • Pulling brownies out while the center is still wet.
  • Adding extra leavening for a taller brownie.
  • Beating the batter hard and whipping in air.

Frequently Asked Questions

Is it normal for brownies to sink in the middle?

A slight dip is normal, especially for fudgy brownies that settle as they cool. A deep collapse usually means they were underbaked or over-leavened.

How do I know when brownies are done?

A skewer in the center should come out with moist crumbs, not wet batter. The edges will look set and the top will have a slight sheen.

Why are my brownies cakey and then sinking?

Too much leavening or overmixing whips in air that makes them rise like cake, then fall. Mix gently and measure raising agents carefully.

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