Silky Tomato-Basil Soup with Fresh Corn

INGREDIENTS

1/2 cup

plus 3 Tbsp. extra-virgin olive oil, divided

2 8 ounce containers

prechopped onion

garlic cloves, smashed

1/2 cup

unsalted tomato paste

2 1/2 lb

chopped fresh tomatoes

3/4 cup

unsalted vegetable stock (such as Swanson)

2 tsp

kosher salt

1 1/4 tsp

black pepper

1 cup

chopped fresh basil leaves, divided

pkg. silken tofu, drained

2 1/2 cups

chopped heirloom tomatoes (about 1 1/4 lb.)

1 1/2 cups

fresh corn kernels (about 3 ears)

6 tbsp

red wine vinegar