Make a checklist keep all ingredients close by.
Take2c of sugar and powder it in jar by using a blender. keep aside for later use
Make zest using the yellow part of the fruit alone by grating gently.
Make thin slices of orange or tangerine.
Syrup, Glaze: Over medium heat heat. Melt butter, add water, cinnamon, 1/4c powdered sugar; let the sugar dissolve, add add orange zest. When syrup bubbles add the slices, cover and cook. Let the slices absorb the syrup, Cool

Sieve the dry ingredients into a bowl, mix. Take 1/4c flour and add it chocolate chips in a small bowl. Keep aside.

Squeeze 1 orange and 4 tangerines to make fresh juice
In a large bowl, ½ c oil, 1/2c thick curd. 1/2c orange juice, 1c powdered sugar, zest, and vanilla extract. Mix.

Add the sifted flower little by little, Mix together by using fold and cut method. Add the chocolate chips with the flour ; fold in. batter is ready to pour into the cake pan

Arrange cake pan
Bake the cake. Pre heat the oven 180 c, 360F. Use a spring form cake pan. Spray oil into the pan. Grease inside the pan. Line the bottom with parchment paper. Remove the slices from the syrup. Keep the left over syrup for glazing the baked cake later. Arrange the slices cooked with syrup, pour the batter, tap on the counter to remove air bubbles.

Bake 180c 35-40min. cake should turn golden brown. Check by inserting a skewer. When the skewer comes out clean, cake is baked completely. cake should turn golden brown. Check by inserting a skewer. When the skewer comes out clean, cake is baked completely. Remove from the oven and place on a plate
Unmount:
Loosen the pan. remove the side. Invert on a plate,

Spread the glaze on the top with a spoon. Let the slices get coated with the syrup. Slice and serve. Enjoy with a hot cup of coffee or tea. Very merry Christmas