So delicious, I've never eaten one like it!

Ingredients:

3 eggs
Sugar 1 cup
Oil 1/2 cup
Vanilla flavor 1 tsp
Milk 1 cup
Flour 2 cups
Baking powder 1 tbsp
Cooked condensed milk 397g / 14 oz
Oven 180ºc / 356ºf 40 minutes