Step 1

Stir together vinegar, lemon juice, a large pinch of salt, and a few grinds of pepper. Whisk in oil. Stir in cherries; let stand at least 5 minutes and up to 30 minutes.

Step 2

Finely chop fennel fronds; mix with herbs. Toss greens with herb mixture. Gently mix in onions, radishes, and sliced fennel; add dressing and cherries, tossing to combine. Season with salt and pepper and serve immediately.