A mixing container including an outer vessel, one or more inner vessels, and a lid. The outer vessel has a bottom, an open mouth and a peripheral sidewall between the open mouth and the bottom. The one or more inner vessels each have an end, an open mouth and a peripheral sidewall between the end and the open mouth. The lid is configured to be removably coupled to the open mouth of the outer vessel and the lid is characterized as having an outer surface and an inner surface coupled to the ends of the one or more inner vessels. A seal is formed between the open mouth of each one of the one or more inner vessels and the bottom of the outer vessel when the lid is coupled to the open mouth of the outer vessel.