__Step 1__
Preheat oven to 425°F. Heat oil in small skillet over medium; cook capers, swirling often, until bursting, 5 min. Using slotted spoon, transfer capers to paper towel-lined plate, reserving cooking oil.
__Step 2__
Stir together 2 tbsp reserved oil, the honey, ½ tsp salt, and pinch pepper. Place tomatoes (leaving on vine) and rosemary on baking sheet; drizzle with oil mixture. Bake in top third of oven until blistered, 15 min. Switch oven to broil; cook until charred, 2 to 4 min.
__Step 3__
Meanwhile, stir together yogurt, herbs, lemon zest, ÂĽ tsp salt, and pinch pepper; spread on serving plate. Top with tomatoes and juices; sprinkle with capers. Top with more herbs, lemon juice, and salt.