How Long Does It Take to Bake Brownies?

Quick Answer

Brownies take 25–35 minutes to bake at 350°F (175°C) in a standard 9×13-inch pan. The exact time depends on whether you want fudgy or cakey brownies, your pan size, and your oven’s accuracy. Total time including prep is about 45–60 minutes, plus 30 minutes for cooling.

Baking Times by Pan Size

Pan Size	Temperature	Bake Time	Result
9×13 inch	350°F	25–30 minutes	Thinner, chewier
8×8 inch	350°F	30–35 minutes	Thicker, fudgier
9×9 inch	350°F	28–32 minutes	Medium thickness
Muffin tin	350°F	18–22 minutes	Individual servings
12×17 sheet pan	350°F	15–20 minutes	Very thin, crispy edges

Smaller pans create a thicker batter layer, which needs more time. If you switch from a 9×13 to an 8×8, expect to add 5–7 minutes.

Fudgy vs. Cakey Brownies

The texture you want directly affects baking time:

• Fudgy brownies: Pull them out at the earlier end of the range (25–28 minutes for a 9×13 pan). The center should look slightly underdone. They’ll firm up as they cool.
• Cakey brownies: Bake for the full 30–35 minutes. The center should spring back when lightly pressed.
• Chewy brownies: Aim for the middle of the range. The top should be set but still have a slight jiggle in the center.

The difference between perfect and overbaked can be as little as 2–3 minutes, so start checking early.

How to Tell When Brownies Are Done

The toothpick test works differently for brownies than for cakes:

• Fudgy brownies: A toothpick should come out with moist, sticky crumbs attached — not wet batter, but not clean
• Cakey brownies: A toothpick should come out with just a few dry crumbs
• Edges: The edges should pull away slightly from the sides of the pan
• Top surface: The top should look set with a thin, slightly crackly crust
• Internal temperature: 195–200°F for fudgy, 205–210°F for cakey

If the toothpick comes out completely clean, the brownies are likely overbaked and will be dry.

Common Mistakes That Affect Baking Time

• Opening the oven door too often drops the temperature and extends baking time
• Using a glass pan instead of metal requires lowering the oven temp by 25°F, since glass retains more heat
• Dark-colored pans absorb more heat and can overbake the edges before the center is done
• Overmixing the batter after adding flour develops gluten, making brownies tough rather than fudgy
• Not preheating the oven means the brownies start in a cold environment, throwing off timing

Total Time Breakdown

• Prep time: 10–15 minutes (melting butter/chocolate, mixing)
• Baking time: 25–35 minutes
• Cooling time: 20–30 minutes minimum (brownies continue cooking and set up as they cool)

Always let brownies cool in the pan before cutting. Cutting too early results in a crumbly mess. For the cleanest slices, refrigerate for 30 minutes before cutting.

Tips for Perfect Brownies

• Line the pan with parchment paper for easy removal
• Use a kitchen timer and check 5 minutes before the minimum time
• Rotate the pan halfway through baking for even cooking
• Let brownies cool completely before cutting for clean edges
• Store leftovers in an airtight container at room temperature for up to 4 days