Pearl Couscous With Olives And Roasted Tomatoes

Ingredients

• 2 pints (1 1/2 pounds) grape or cherry tomatoes (1 1/2 lb)
• 3 large garlic cloves, left unpeeled
• 1/4 cup olive oil, plus more for tomatoes
• 1/4 cup warm water
• 1 teaspoon fresh lemon juice
• 1 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 2 3/4 cups vegetable broth
• 2 1/4 cups (12 ounces or 340 grams) pearl couscous, sometimes sold as israeli couscous
• 1/2 cup kalamata or other brine-cured black olives, pitted and chopped
• 1/3 cup chopped fresh flat-leaf parsley
• 1/4 cup chopped fresh mint
• 1 teaspoon chopped fresh thyme