Wash and dry the rhubarb and strawberries thoroughly.
Slice rhubarb lengthwise, then chop into small, thin pieces.
Dice the strawberries into small chunks.
Finely chop the red onion.
In a mixing bowl, combine rhubarb, strawberries, and onion.
Drizzle in olive oil, honey, and fresh lime juice.
Sprinkle with sea salt to taste and gently mix everything.
Chill for 10–15 minutes before serving for best flavor.