• Start by making the cinnamon swirl, which will be added in later. In a small mixing bowl, mix the brown sugar, ground cinnamon, salt, and sour cream. Mix well. Set aside.
• The cake mixes the cake flour, salt, baking powder, baking soda, and sugar in one mixing bowl. In another bowl, mix the butter, oil, eggs, vanilla extract, and sour cream.
• Mix the wet ingredients into the dry ingredients.
• Spray your Bundt Cake pan with cooking spray.
• Add 1/2 of your batter into the prepared pan. Then add all of the cinnamon swirl ingredients, and then add the rest of the cake batter.
• Place the filled Bundt cake pan into the air fryer basket.
• Set the timer for 15-30 minutes at 320 degrees F. The exact time will depend on which air fryer you own and what size cake pan you are using.
• Let the cook cool completely before drizzling the caramel glaze on top.
• Then plate, serve, and enjoy!

To Make the Caramel Glaze:

• Mix in a medium saucepan the browns sugar, salt evaporated milk, and butter, simmer for about 15 to 20 minutes, until the sauce has been thickened. Remember to stir the glaze; otherwise, constantly, it will burn.