This is the ULTIMATE Overnight Oats base recipe! It’s my go-to whenever I want to meal prep overnight oats and need quick, healthy breakfasts that are ready to go in the morning. Made with just 5 ingredients (and tons of flavor variation ideas) and mixed together in 5 minutes, this oatmeal recipe is incredibly easy. With this classic recipe, you can make perfect overnight oats with the best oats to liquid ratio every single time!