Pour the yeast in a bowl.
Add the water and stir it together.
Add the flour bit by bit and stir it with a wooden spoon until the dough let go from the sides of the bowl.
Add some flour around the dough in the bowl.
Put some plastic foil over the bowl, and the a towel over the plastic foil.
Put the bowl in the oven without heat for 10-12 hours so it have time to grow.
Take out the dough from the oven and divide it in to 3 parts.
Roll the dough in to 3 baguettes.
Place a baking paper on a baguette baking plate, and then put the baguettes on the form.
Sprinkle some flour over the baguettes.
Put the baguettes in the oven again without heat for 1 hour.
Take out the baguettes from the oven.
Start the oven on 250 degree Celsius, and place on the lower part of the oven a bowl of water.
Right before you put the baguettes in the oven, cut them on the top with long cuts along the baguettes.
Take out the water bowl from the oven.
Spray the baguettes with some water, and put them in the middle of the oven. Spray some water in the oven right before you close it.
After 10 minutes open the oven and spray some more water in it. Then lower the heat to 200 degree Celsius.
Let the baguettes in the oven for another 15-20 minutes.
Take out the baguettes and let the cool down before serving them.