"The cake is extra fluffy, thanks to this one simple trick...."
INGREDIENTS
•
8 tablespoons (1 stick) unsalted butter
•
3 large eggs
•
Cooking spray
•
2 3/4 cups cake flour
•
2 1/4 teaspoon baking powder
•
3/4 teaspoon baking soda
•
3/4 teaspoon kosher salt
•
1 large key lime
•
1 3/4 cups granulated sugar
•
1/2 cup sour cream
•
1/4 cup neutral oil, such as canola
•
1 cup whole milk
•
3 sticks (12 ounces) unsalted butter
•
12 ounces cream cheese
•
1 large key lime
•
1/4 teaspoon kosher salt
•
1 pound powdered sugar (5 cups)
•
1 large key lime