Golden Vanilla Cake 9" x 13" with Old Fashioned Vanilla Frosting
Recipe type: Dessert
  • -Cake-
  • 1¾ cups all-purpose flour
  • 1½ teaspoon baking powder
  • ½ teaspoon baking soda
  • ¼ cup salted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • ¼ cup soybean oil or vegetable oil
  • ⅓ cup sour cream
  • 1½ teaspoons vanilla extract
  • ⅔ cup milk (I used 2%)
  • -Frosting-
  • ½ cup milk
  • 2 tablespoons flour
  • pinch of salt
  • ¾ cup sugar (plus up to a ½ cup extra if you want it thicker)
  • ½ cup (1 stick) salted butter, softened
  • 2 teaspoons vanilla extract
  1. Preheat the oven to 350 degrees. Grease a 9x13" baking pan.
  2. In a medium sized mixing bowl, combine flour, baking powder, & baking soda (add ⅛ teaspoon salt if using unsalted butter) & mix together.
  3. In another bowl cream sugar & butter together with electric mixer until light & fluffy.
  4. Add the creamed butter & sugar to the flour mixture & mix on medium-low speed for about a minute, you will end up with a crumb texture.
  5. Add eggs, oil, sour cream, & vanilla to the flour mixture & beat on medium speed until just combined.
  6. Slowly add in the milk on low speed until just combined.
  7. Pour batter into 9x13" baking dish. Bake for 20-26 minutes. Insert toothpick in center of a cake until it comes out clean or you can gently tap the top with your finger, if it springs back its done.
  8. Remove from oven & let cool in pan.
  9. For the Frosting:
  10. Whisk milk, flour, and salt together in a saucepan over medium-low heat. Keep stirring until the mixture gets very thick and bubbly.
  11. Remove from heat and let cool to room temperature.
  12. In a mixing bowl using an electric mixer beat sugar and butter together until smooth and creamy. Beat in the cooled flour mixture until it is light and fluffy. Beat in the vanilla. Add up to ½ cup extra sugar if you want it thicker. I usually add extra sugar.
  13. Frost cooled cake.