Lemon Crazy Cake is a delightful dessert that’s completely dairy-free, egg-free, and butter-free, yet packed with vibrant lemon flavor. Topped with a light and airy lemon buttercream, this cake is surprisingly delicious without any of the usual ingredients. It’s a must-try for lemon lovers and guaranteed to bring a burst of sunshine to your day! If you loved this tangy lemon cake, be sure to check out my Chocolate Depression Cake—also made without milk, eggs, or butter, but incredibly moist and rich in chocolatey goodness!
INGREDIENTS
Lemon Cake
- 1 ½ cups (187.5 g) all-purpose flour
- 1 cup (200 g) granulated sugar
- 1 teaspoon baking soda
- ½ teaspoon kosher salt
- Zest of 1 large lemon (about 1 ½ teaspoons)
- ¼ cup freshly squeezed lemon juice (about 1 large lemon)
- 1 teaspoon distilled white vinegar
- 1 cup (250 g) water
- ⅓ cup (73 g) vegetable oil
Lemon Buttercream
- ½ cup (1 stick / 113 g) unsalted butter, softened
- 1 ¾ cups (219 g) confectioners’ sugar
- Pinch of kosher salt
- ½ medium lemon, juiced (about 1 tablespoon)
- 1 teaspoon lemon zest (about 1 lemon)
- ½ teaspoon vanilla extract
INSTRUCTIONS
Preheat the oven to 350°F (175°C). Grease an 8×8-inch baking dish with nonstick cooking spray.
For Lemon Cake
In a large bowl, whisk together the flour, sugar, baking soda, salt, and lemon zest.
Add the lemon juice, vinegar, water, and oil to the dry ingredients. Whisk until the mixture is fully combined.
Pour the batter into the prepared baking dish and spread it evenly.
Bake for 35-37 minutes, or until a toothpick inserted into the center comes out clean with just a few crumbs. Let the cake cool completely before frosting.
For Lemon Buttercream
In a mixing bowl, beat the softened butter, confectioners’ sugar, and salt on medium speed until smooth and well combined.
Add the lemon juice, lemon zest, and vanilla extract, then continue to beat for 3-5 minutes, until the frosting is light and creamy.
Once the cake has cooled, spread the lemon buttercream evenly over the top.
Enjoy this tangy, fluffy lemon treat!
