Apple Upside Down Cake

I got this recipe from one of my friends and i tried it on the birthday of my husband. Everyone loved it alot.. Its really a good experience to make thz cake atleast once :-)

Ingredients: 
Apples- 2-3 nos
Butter- 3 tbsp
Light Brown Sugar- 1/2 cup
Cinnamon Powder- 1/4 tsp
All Purpose Flour- 1 1/2 cup
Baking Powder- 1 tsp
Baking Soda- 1/2 tsp
Sugar- 1 cup
Egg - 2 nos
Milk- 1/2 cup
Vanilla Essence- 1 tsp
Directions: 
Preheat oven to 150 degrees
Heat butter and brown sugat till it caramalize. Add cinnamon powder and then pour to a greased pan
Arrange apple slices over this brownsugar mixture
Combine all the dry ingredients together
In a large mixing bowl, beat butter and sugaruntil light and fluffy.
Add eggs one by one and beat well
Add the dry ingredients to the mixture alternately with milk.Stir until just blended
Pour thz mixture on top of the arranged apple slices
Bake for 40-45 minutes
Invert the cake to a serving plate.