| 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) |