This cake is next level, like patisserie level orange cake.
Recipe adapted from here with some Clueless adjustments.

Ingredients
Method
- Preheat oven to 200C and grease a 9inch cake pan with olive oil, or butter and flour it till its coated well. Once coated well add a parchment paper
- Sift flour, almond flour, baking powder, baking soda in a bowl and mix
- With a stand mixer or handheld mixer, beat the eggs and sugar for 3-4 mins until it becomes thick and creamy
- Gradually add in the olive oil while mixing on medium to low, then add the juice, zest and the vanilla
- Fold dry ingredients with wet and mix until combined (do not overmix)
- Spread the salted caramel on the bottom of the cake pan, and top with the sliced oranges or tangerines (you can totally omit this step)
- Pour the batter over the oranges, place in oven and lower temp to 180C
- Bake for 45-55 mins or until a toothpick comes out clean
- Once it cools down, carefully flip and peal the baking paper
*Salted Caramel Recipe click here