Sift the flour and whole grain flour together.
Add yeast, salt, and sugar, and mix well.
Add warm water and olive oil, then knead the dough.
Let the dough rise for the first fermentation for about an hour.
Shape the dough and place it in a pan.
Let it rise for a second proofing for 30 minutes.
Bake in a preheated oven at 180°C for 30 minutes.
Cool on a wire rack.