Step 1

Place halved tomatoes, quartered onions, and garlic cloves into a large bowl.

Step 2

Add oil and season well with salt and pepper. Stir well to coat.

Step 3

Pour the vegetables onto a baking tray and roast at 400 degrees for 30 minutes.

Step 4

Remove tray from oven let cool for 5 minutes.

Step 5

Place roasted vegetables in blender along with sliced basil and blend until smooth.

Step 6

Add salt and pepper as necessary.

Step 7

Heat soup on the stove, if necessary.

Step 8

Serve!