Grind the oatmeal finely and mix with flour.
Add dry yeast, sugar, salt, and warm water, and knead the dough.
Cover the dough with plastic wrap and let it rise for 1 hour.
Divide the dough into 4 portions, shape them into balls, and make a hole in the center.
Boil the bagels in boiling water for 1 minute.
Bake the bagels in the oven at 180°C for 20 minutes.