Tomato Choka

Name: Tomato Choka
Ingredients: 1/4 cup extra-virgin olive oil, plus more for greasing; 2 pound ripe tomatoes, halved; 1 small yellow or red onion, thinly sliced; 4 garlic cloves, thinly sliced; 1 Scotch bonnet pepper, stem removed, minced; 1 (1-inch) piece ginger, peeled and grated; 1/2 teaspoon fresh thyme leaves; 3 shado beni (culantro) leaves, minced (or ¼ cup minced fresh cilantro leaves); 1 teaspoon kosher salt