In the meantime, thinly slice the onion. Zest the lemon, then segment half of it and squeeze the rest, collecting the juice.
Mix lemon juice, lemon zest, and maple syrup, add the onion, and let it marinate for 5 minutes.
Then add the blueberries, tarragon, and olive oil, and mix everything into a vinaigrette.
For the vegetables:
Red onion
Organic lemon
ml
Maple syrup
g
Blueberries
sprigs
Tarragon
ml
Olive oil
Salt & pepper