Diet Soda Cake Recipe

Get ready to be amazed! This incredibly easy Diet Soda Cake recipe uses only TWO ingredients: your favorite cake mix and diet soda. That's it! No eggs, no oil, no butter – just unbelievably moist and delicious cake. We've tried lemon cake mix with Diet Sprite and chocolate cake mix with Diet Coke – both were phenomenal! Perfect for a quick dessert or when you're craving something sweet without all the fuss. This recipe is easily adaptable to any flavor cake mix you love.

Prep Time 5 mins

Cook Time 17 mins

Calories 185.1 kcal

Protein 3g

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The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Diet Soda Cake

1 box (15.25 oz) of your favorite cake mix
Diet Soda

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How to Make Diet Soda Cake

Preheat your oven to the temperature specified on your cake mix box.
In a large bowl, combine one box (typically 15.25 oz) of your favorite cake mix with one 12-ounce can of diet soda (choose a flavor that complements your cake mix).
Mix thoroughly with an electric mixer or a sturdy spoon until just combined. Do not overmix.
Grease and flour a 9x13 inch baking pan (or use a baking spray with flour).
Pour the batter into the prepared pan and spread evenly.
Bake according to the time specified on your cake mix box (approximately 17-22 minutes, depending on your oven and the type of cake mix).
Insert a toothpick into the center; if it comes out clean, the cake is done. If not, bake for a few more minutes.
Let the cake cool completely in the pan before frosting (optional).