Portuguese Potato Bread

Peel the potatoes, cut them into pieces and cook them in water.

1. Make a puree out of the potatoes and make sure it doesn't have lumps.
2. In a small bowl, add the warm water, 1 teaspoon of sugar, the yeast and stir it and let it sit for about 5 minutes.
3. In a bowl put the flour and make a hole in the middle.
4. Pour 1/2 cup of the water with the yeast and stir, add the remaining flour gradually until the dough gets thick.
5. Cover with a cloth and let it stand for 20 to 30 minutes.
6. Add the potato puree, salt and knead.
7. Add the rest of the water gradually until the dough is very soft.
8. Put the dough on a floured surface and knead for about ten minutes until the dough is very smooth and elastic.
9. Place the dough in a container and cover with a cooking cloth or plastic film, until it doubles in volume.
10. Knead a little more and let it stand for 10 minutes.
11. Place the dough in a tray lined with parchment paper, cover it with a kitchen cloth and let it stand till it raises some more.
12. Sprinkle with flour and shape it.
13. Bake in a preheated oven at 220°C or 420°F for 10 minutes, then lower the temperature to 200°C or 400°F and bake for another 50 minutes or until golden brown.