Ingredients

2 heads radicchio, core intact, cut into 1/2-inch wedges

1 yellow squash, cut into 1/2-inch-thick rounds

6 pattypan squashes, halved if large

1 zucchini, cut into 1/2-inch-thick rounds

1 bunch purple or green scallions, halved lengthwise if large

1/3 cup extra-virgin olive oil, for brushing

Coarse salt and freshly ground pepper

1 lemon, halved

Preparation

Preheat grill to medium-high. Arrange vegetables in asingle layer on a rimmed baking sheet. Brush generouslywith oil, and season with salt and pepper.

Grill vegetables until just tender and slightly charred: about 3 minutes for the scallions, 4 to 5 minutes per side for the squashes, and 10 minutes total for the radicchio, flippingevery 2 minutes. Squeeze lemon halves over vegetables.