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A double-layer yellow cake with chocolate buttercream frosting on a cake stand with a piece missing.
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5 from 1 vote

Simple Yellow Cake Mix

With the help of a pastry chef, we’ve developed the perfect homemade Yellow Cake Mix that is a perfect substitute for a 15.25 ounce store-bought cake mix. Use this mix for making a layered cake, a 9x13 cake, or even cupcakes! 
Prep Time15 minutes
Cook Time20 minutes
Total Time35 minutes
Course: Dessert
Cuisine: American
Keyword: simple yellow cake mix
Servings: 12 servings
Calories: 224kcal
Author: Polly Conner

Ingredients

  • 1 1/3 cup + 1 1/2 tablespoons all-purpose flour
  • 1 cup granulated sugar
  • 1 1/2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup avocado oil sub: vegetable oil
  • 3 large eggs
  • 1 1/2 teaspoons vanilla extract
  • 3/4 cup buttermilk
  • Optional: 1 batch of Chocolate Buttercream Frosting

Instructions

  • Prep: Preheat the oven to 350°F and prepare a 9x13 or two 8-inch round metal pans by either lining them with parchment or coating with cooking spray.
  • Cake Mix: Combine flour, sugar, baking powder, baking soda, and salt in a small mixing bowl and set aside.
  • Wet Ingredients: Whisk together the oil, eggs, vanilla, and buttermilk in a medium mixing bowl.
  • Combine: Add the dry ingredients to the wet mixture and whisk just until no flour is visible and no lumps are remaining (do not overmix).
  • Bake: Pour batter into the prepared pan and spread with a spatula until the batter is smooth on top and evenly distributed. Tap the bottom against the counter to remove any air bubbles. Bake on the middle rack for 15-20 minutes in a metal 9x13 pan or 18-23 minutes in two 8-inch round metal pans, rotating halfway through. The cake is done when a toothpick comes out clean with no batter remaining. The top will be lightly golden. (Once it's cooled, top with Chocolate Buttercream Frosting, if desired.)
  • Store: Let cool on a wire rack before removing from the pan. Wrap in plastic and store at room temperature or in the fridge for up to 4-5 days or in the freezer for up to 3 months.

Video

Notes

  • Gluten Free and Dairy Free Instructions can be found here
  • A perfect replacement in recipes that call for a 15.25 ounce box of yellow cake mix.
  • The recipe was tested in a metal pan. If using glass or ceramic, cooking time will be longer. 
  • The batter should be baked as soon as possible and not sit for an extended period, otherwise the baking soda may not leaven the cake properly.
  • Cupcake instructions: Fill holes of a greased cupcake tin 2/3 full and bake for 13-15 minutes. This recipe will make about 14-15 cupcakes.

Nutrition

Serving: 1slice without icing | Calories: 224kcal | Carbohydrates: 29g | Protein: 3g | Fat: 11g | Cholesterol: 43mg | Sodium: 227mg | Fiber: 0.4g | Sugar: 18g