Vegan Tomato Basil Soup

Ingredients

• 1 lb ripe plum tomatoes (washed, dried, and cut in half)
• 2 tbsp olive oil (plus extra for serving)
• 1 small onion (sliced)
• 3 cloves garlic (peeled and chopped)
• 3 ½ cups vegetable stock
• 2 cups plum tomato puree
• Salt (to taste)
• Ground black pepper (to taste)
• 1 medium bunch fresh basil (leaves only)
• 1 teaspoon cornstarch
• 1 ½ cups oat milk (or coconut milk)