Step 1

Preheat oven to 450 degrees Fahrenheit (230 degrees Celsius).

Step 2

Slice snap peas, string beans, and asparagus on a diagonal (see note). Spread out all vegetables onto two baking sheets.

Step 3

To prepare dressing, combine all dressing ingredients except for the zest of one lemon. Drizzle dressing over both baking sheets.

Step 4

Roast for 10 minutes. Just before serving, garnish with remaining zest.