1 clove garlic
2 tablespoons extra virgin olive oil plus more for the tomatoes
1 tablespoon freshly-squeezed lime juice
3 avocados
Fine sea salt
Coarsely-ground black pepper
18 grape tomatoes or small cherry tomatoes, skewered
2 serrano chiles, stemmed, seeded and thinly sliced
2 tablespoons coarsely-chopped cilantro leaves
Sour cream (optional)
Prepare the grill for direct grilling over a medium-hot fire