[Python] Creating an object of a class whose field is a set of objects of another class

In the Django model lets create a class, eg Ingredients:

class IngredientsClass(models.Model):
name = models.CharField('Name', max_length=50, default='')
package_price = models.FloatField()
package_amount = models.FloatField()
supplier = models.ForeignKey(SupplierClass)
price = models.FloatField()


Now lets make some product from the ingredients

class DishClass(models.Model):
name = models.CharField('Name', max_length=50, default='')
price = models.FloatField()
ingredients = models.***???***


And here is a problem... In the field ingredients of an DishClass object can be different amount of ingredients from one to thousand.

How do I need to set up the field ingredients?

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