No, the BA 550 is not too small for this. The bread maker is designed to bake breads up to 900 g final weight. This means that you can bake yeast doughs with a maximum flour quantity of 500 g. With yeast dough that rises a lot (e.g. brioche), the dough may well rise to just above the viewing window. In general, you can follow the recipes in the operating instructions - these are designed to ensure that the quantity is processed and baked perfectly. Special types of dough and their particularities are also discussed.