Preheat the oven at 180 degrees Celsius hot air.
In a casserole pour the water, butter and salt. While heating it up Stir. When it boils take away the casserole from the stow.
Add the flour and stir it together.
Place the casserole on the stow again and start on low heat. Let it on the stow for 1 minute.
Take away from the stow and let it rest 5 minutes.
Place a baking paper on a baking sheet.
Make balls of the dough and place on the baking paper.
Place in the middle of the oven for 30 minutes.
Open the oven door and let the bread cool down this way.