Caramel Cake Recipe

Ingredients

• 1 cup butter, softened
• 1/4 cup canola oil
• 2 cups packed brown sugar
• 5 large eggs, room temperature
• 3 large egg yolks, room temperature
• 1 cup sour cream
• 2 teaspoons vanilla extract
• 3 cups all-purpose flour
• 1-1/2 teaspoons baking powder
• 1/2 teaspoon salt
• FROSTING:
• 1 cup butter
• 1-1/2 cups packed brown sugar
• 1/2 cup heavy whipping cream
• 4 cups confectioners' sugar