Grilled Summer Squash with Pine Nut Picada

• 6 tbsp (3 fl oz/90 ml) extra-virgin olive oil, plus more for brushing
• 2

Prepare a medium-hot fire in a charcoal or gas grill. Brush a rimmed baking sheet with oil.

Brush the squash slices on both sides with oil and then sprinkle all over with salt. Grill the squash, turning once, until slightly charred but not blackened, about 4 minutes on each side. Transfer the squash slices to the prepared baking sheet.

In a dry nonstick skillet, toast the pine n