For the yogurt bread, mix the ingredients for the swelling piece in a bowl and let swell covered at room temperature for 1-2 hours.
Mix the two types of flour with salt and dry yeast and knead with the swelling piece, yogurt and maple syrup to form a soft dough. E
crumple a sheet of baking paper, wet it thoroughly and line the loaf pan with it. Pour the dough into the pan, sprinkle with seeds and let rise, covered, in a warm place for about 1 hour.
Preheat the oven to 180 °C top and bottom heat and bake the bread for about 50-60 minutes. Remove from the pan, take off the baking paper and let the bread cool on a rack.