1 1/3 cups refrigerated presliced yellow squash and zucchini mix |
4 (1/4-inch-thick) slices red onion |
cooking spray |
3/4 cup grape tomatoes, halved |
3 tablespoons light northern italian salad dressing with basil and romano (such as ken's steak house lite) |
1 tablespoon chopped fresh basil |
1 (8-ounce) loaf french bread, halved lengthwise |
3/4 cup (3 ounces) crumbled feta cheese |