How Long to Bake a Sheet Cake – At 350, 325, and 375°F 

How Long to Bake a Sheet Cake

Cooking sheet cake isn’t always a tough task but you need to know 2 important things. One is the formula of the cake and the second is the baking time. Today’s topic is the second one – how long to bake a sheet cake.

For a full sheet cake, it’ll take 50-60 minutes to bake. For a half sheet, it’ll take around 45-50 minutes. Now, when it’s a 12×18 sheet cake you’ll have to bake it for 45-50 mins, and when it’s 11x5x2 it will require 40-50 minutes.

All of the mentioned baking time is for baking at 350°F (160°C) temperature. When you are baking at 325°F or at 375°F the baking time will differ. 

Below I’ve made a table to help you understand how long to bake different size sheet cakes at different temperatures. 

Sheet Cake SizeAt 325°FAt 350°FAt 375°FServing size
12″x18″35-40 mins45-50 mins12-25  mins72
11″x15″x2″50-60 mins40-50 mins35-45  mins54
Full sheet cake (18″x 26″)60-70 mins50-60 mins45-55  mins117
Half sheet cake (13″x18″)45-55 mins35-45  mins30-40 mins96
Quarter sheet cake (9″x13″)35-45 mins30-40 mins20-30  mins36
7″x11″35-45  mins30-40 mins15-25 mins24

Now I’ll explain the table in proper detail. If you’re interested to learn keep reading. 

Ohhh! I’ve talked to some people I know who actually tried baking sheet cakes and tracked the time. I mentioned the time taken to bake a sheet cake after real users’ experience. I hope you won’t miss it. 

However, before that here’s a cake-related article for you I posted a few days ago – Why is your cheesecake yellow not white?

How Long to Bake a Sheet Cake

How Long to Bake a 12×18 Sheet Cake?

Let’s start with 12×18 sheet cake baking time. The baking time depends on various factors such as the recipe, the type of oven used, temperature, and others.

  • If you bake the sheet cake at 350°F (175°C) then it will take 35-40 minutes.
  • Now if you reduce the temperature to 325°F (160°C) then it will take 45-50 minutes to bake a 12×18 sheet cake.
  • Finally, if you are in a time crunch and higher the temperature to 375°F (190°C) then it should take 12-25 minutes only. 

No one can surely tell you the exact time. For example, one of my sisters baked a 12×18 sheet cake at 325°F and it took her 52 minutes. 

So, the actual answer is to bake it until it’s done. But how to be sure that your sheet cake is done?

  1. Test by inserting a paring knife or toothpick into the cake to see if it comes out clean.
  2. The cake will be firm and smell fragrant, the top will turn golden brown.

Pro Tip: Continue checking every 5 minutes until you are satisfied.

How Long to Bake a 11x15x2 cake?

The baking time for a 11x15x2 inch cake can vary depending on the oven temperature. Here are some estimated baking times for 11x15x2 cake at different oven temperatures:

  • At 325°F (175°C): Bake for 50-60 minutes.
  • At 350°F (160°C): Bake for 40-50 minutes.
  • At 375°F (190°C): Bake for 35-45 minutes.

Personal Experience: Now let’s come to talk about practical things. My friend got an oven there the recipe book said it will take only 35-40 minutes at 325 degree F. However, it took him around 42 minutes at 350 degree F. He tried several times, and never took him more than 45 minutes at 350 degree F.

How long to bake a half sheet cake (13″ x 18″)?

Now when it’s a half-sheet cake the size is 13×18 inch. However, some people consider it 12×18 again some 11×15. The authentic source says the size of a half-sheet cake is 13 x18 inches. Considering the authentic answer now let’s see how long to bake a half sheet cake.

  • If you’re baking the half sheet cake at 325°F then it will take 45-55 minutes.
  • When it’s 350°F, bake the cake for 35-45 minutes.
  • And when it is 375°F, it’ll take 30-40 minutes.

How long to bake a full sheet cake (18″ x 26″)?

If you’re looking for the baking time for a full sheet cake then just check the below part. 

  • Baking time for a full sheet cake at 325°F: 60-70 minutes
  • Baking time for a full sheet cake at 325°F: 50-60 minutes
  • Baking time for a full sheet cake at 325°F: 45-55 minutes

How long to bake a quarter sheet cake (9″ x 13″)?

The size for a quarter sheet cake is 9xq3 inches. However, some people call the 9″ x 13″ size a 1/3 sheet cake. Let’s see how long to bake a quarter sheet cake.

  • At 325°F: Bake it for 35-45 minutes.
  • At 350°F: Bake it for 30-40 minutes.
  • At 375°F: Bake it for 20-30 minutes.

How long to bake a 7 x 11 in sheet cake?

If you want to bake a 7×11 sheet cake then check the baking time at different temperatures below.

  • When you’re baking the 7×11 sheet cake at 325°F, bake for 35-45 minutes.
  • If you’re baking it at 350°F then bake it for 30-40 minutes.
  • And finally, if it’s 375°F then bake it for 15-25 minutes.

I hope you are now clear about your query. Just, follow my guide and hopefully, you won’t blunder while baking.

Happy Baking.

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