3 tablespoons olive oil, divided, plus more for drizzling
2 garlic cloves, lightly crushed
1 14-ounce can chickpeas rinsed, drained
3 ears of corn, shucked, kernels removed
1 tablespoon za’atar (another flavorful spice blend like curry powder is great here too)
Kosher salt
4 cups Little Gem or other small lettuce leaves, torn if large
4 small tomatoes, cut into wedges
2 avocados, cut into wedges
Crumbled feta, lime wedges, and cilantro (for serving)