Sour cream, eggs, flour, oatmeal, olive oil, eggs, sour cream, peppers, mushrooms, spinach, broccoli, red onions, garlic, coriander, Chili powder, seabuckthorn powder, salt and black pepper.

1. Preheat the oven to 200 degrees Celsius, and coat the pie plate with oil, butter or cooking spray.

2. Mix sour cream and eggs in a large bowl. Add oatmeal and flour to make the dough firm and thick. Add olive oil and knead the dough until it becomes smooth. Spread the dough on the pie plate and make sure the dough covers the pie plate.

3. Chop peppers, mushrooms, broccoli, red onions, garlic and parsley. Mix them in a bowl and spread them on the dough.

4. Stir the eggs, seabuckthorn powder and spices together and slowly mix with sour cream or cream cheese.

5. Pour the egg liquid evenly on the filling and stir the mixture in a bowl to ensure that the spices are evenly distributed in the mixture.

6. Bake quiche in the oven for about 45 minutes, or until the top is solidified and slightly expanded.

7. Cool for 30 minutes before eating. You can sprinkle more seabuckthorn powder if you like.

8. Eat with salad or sliced vegetables.