| Salt |
| Freshly ground pepper |
| 2 1/2 | pounds mixed zucchini and yellow summer squash |
| 1 | cup loosely packed cilantro leaves, chopped |
| 1 | pint grape tomatoes, halved |
| 1 | teaspoon finely grated lemon zest |
| 2 | tablespoons fresh lemon juice |
| 5 | ounces feta, crumbled (1 cup) |
| pine nuts (optional) |