Potato doughnut

This is a really addictive doughnut! Lol! We loved to make this for our sunday's snack, yet this one is really fullfilling snack. Dare to try one? Ingredients 500 gr high protein flour 100 gr caster sugar 11 gr yeast (make sure it's active) 200 gr boiled potato (mashed) 4 egg yolks 100 ml cold milk 50 ml condensed milk 75 gr salted butter 1/2 tsp salt Steps Boil your potato and mash it. Mix together flour, sugar, yeast, egg yolks, and mashed potato, you can use hand mixer (use the hook paddle for bread) to do this or simply just use your clean bare hand to knead it. Add the mixture of milk and condensed milk little by little into the dough until all poured in. Knead the dough until half kneaded and then add the salted butter and salt. Continue to knead the dough until it fully kneaded. How to make sure that the dough is fully kneaded? You could see the dough become all united and looked smoother at the surface. Measure the dough abou...