The Ultimate Guide to Make Box Cake Taste Homemade

Ingredients

• 1 box (15.25 oz / 432 g) vanilla cake mix
• 1 cup (240 ml) whole milk, at room temperature
• 1/2 cup (113 g) unsalted butter, melted
• 3 large eggs, at room temperature
• 1 teaspoon pure vanilla extract
• 1/2 cup (120 g) sour cream
• 1/2 cup (113 g) unsalted butter, softened (for frosting, optional)
• 3 cups (360 g) powdered sugar, sifted (for frosting, optional)
• 1/4 cup (60 ml) heavy cream (for frosting, optional)
• 1 teaspoon pure vanilla extract (for frosting, optional)