Step 1

Preheat oven to 425 degrees F.

Step 2

Slice broccoli crowns in half. Toss with 2 tablespoons oil and 1/4 teaspoon salt in a large bowl. Place cut-side down on a baking sheet. Roast until the stems are tender and browned, 25 to 30 minutes.

Step 3

Meanwhile, combine lemon zest, lemon juice, garlic, pepper and the remaining 1/8 teaspoon salt in a small bowl. Slowly whisk in the remaining 2 tablespoons oil. Drizzle the vinaigrette over the roasted broccoli.