INGREDIENTS
1 tbsp
olive oil
1 1/2 cups
chopped onion
1/2 tsp
kosher salt, divided
1/4 tsp
crushed red pepper
2 tsp
minced garlic
1 tbsp
unsalted tomato paste
2 cups
unsalted chicken stock
1/2 cup
torn basil leaves
2 14.5 ounce cans
unsalted fire-roasted tomatoes
1/2 tsp
sugar
1/4 tsp
freshly ground black pepper
1/2 cup
plain whole-milk Greek yogurt
2 tbsp
chopped fresh basil