Omg! Fantastic! I don't prefer the strong anise flavor of fennel seeds, but I thought that this was to die for, as did my friends. The lavender is a brilliant addition. Imho, this would be a lovely prepartion for lamb chops, as well.
We agreed to try this recipe because we love the flavor the lavender imparts in dishes. We did not realize the tuna was to be eaten cold until we started preparing the dish and wondered if we'd still like it. We invited a friend over who never had ahi tuna before. All she kept saying was this was the best fish dish she ever had and felt like she was dining at a fine restaurant. She gave it 5 star rating. I used my pepper medley instead of just black and white pepper and instead of using the mortar I just buzzed it. Also wondered if the dressing would be a tad too mustardy but it wasn't! The addition of the toasted mustard seeds was a nice touch. We will make it again anytime we feel like making something great with our baby greens.