Roasted Carrot Soup

Bahan-bahan (6 porsi)

• 1 1/2 pounds carrots (peeled, cut into 1/2-inch slices (about 6 large carrots))
• 1 large yellow onion (thinly sliced)
• 4 cloves garlic (peeled and left whole)
• 2 tablespoons extra-virgin olive oil
• 1 1/2 teaspoons kosher salt (divided, plus additional to taste)
• 1 teaspoon ground cumin
• 1/4 teaspoon ground black pepper (plus additional to taste)
• 2 cans whole peeled tomatoes ((28 ounce cans))
• 1 teaspoon dried basil
• 1/2 cup plain Greek yogurt (plus additional for serving (or coconut milk for vegan and dairy-free))
• Fresh basil (optional, for serving)