Oatsu is an overnight oats brand spanning both ready-to-eat chilled pots and Just Add Milk mixes. Oatsu’s goal is to allow anyone to be an “overnight oats person” with a “healthy, convenient breakfast” without lots of prep. Founder Lauren O’Donnell launched the business after struggling to find nutritious breakfasts while working long hours in the City. Today, Oatsu is stocked in Ocado, Selfridges, CLF, Suma and DDC. Its chilled range has a 65-day shelf life using 100% natural ingredients and no preservatives. Oatsu won a TV ad competition in 2025 reaching 4m+ viewers, and has been featured in Forbes and The Grocer.