How many times have you reached in your pantry when you need TWO cake mixes and there is only one? Ugh! I have too many times. Until I learned How To Double a Cake Mix (Almost).
With a few ingredients from your pantry, you can learn How To Double a Cake Mix (Almost).
*This post was updated in October 2025
Let me show you this quick tip for your recipe file.
How To Double a Cake Mix (Almost)
You will need:
1 egg
1/2 cup all purpose flour
1/2 tsp baking powder
1/4 tsp salt
2 Tablespoons water
1/4 cup granulated sugar
Pour cake mix in a mixing bowl. Add the extra flour, salt, baking powder, granulated sugar and salt to the cake mix.
Follow directions on the cake mix box, adding the eggs and water as instructed. Add your extra egg and water at the appropriate time.
This will Double a Cake Mix (Almost).
If you are baking a cake, you will need 1 or 2 more cake pans. If baking cupcakes, the same advice applies.
Your cake will be moist and flavorful, just as though you were using 2 cake mixes.
I have used all brands for this recipe and it works perfect every time. Everything from Pillsbury, Betty Crocker, Duncan Hines, etc… it has been just right.
I hope you will try this the next time you are serving a crowd or need extra cup cakes. Let me know how it works for you. I would LOVE to hear your experiences and comments.
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So i tried it.. and let me tell you it was perfect!!! It made three 8” pans which is exactly what i needed!!! So glad i found this.! It was delish… will definitely use again if i need to. Thank you