Dulce de leche banana cake

As part of Hispanic heritage month, i tried my hand at this dulce de leche banana cake, and it turned out awesome!
It was quite a dense cake that had to cook for over an hour, but it was well worth it, and I have slightly tweaked from the original recipe i found online as i didn't have all their ingredients, but it worked out great.

Recipe:

Ingredients -
2 cups self-raising flour
1 tsp cinnamon
½ tsp salt
1 ½ cups banana [i used 4 small sized ones]
¼ cup butter
¾ cup sugar
2 eggs
⅓ cup plain greek yogurt
3 tablespoons dulce de leche

Method -

1. Preheat oven to 175ºC (350F)
2. Mix flour, salt, and cinnamon in a bowl and combine
3. Mash the bananas in a separate bowl
4. Add the sugar and butter to the bananas, mix until smooth
5. Add in yogurt and eggs, mix until well-combined
6. Add the dry ingredients to the wet ingredients and mix until smooth
7. Pour the mix into a buttered/oil-sprayed pan
8. Drop dulce de leche on top of the batter, then swirl into the batter with the end of the spoon/fork
9. Bake it for an hour and let cool completely
10. Enjoy!