Preheat oven to 375˚
Line a rimmed baking sheet with parchment paper.
Wash and dry the tomatoes, remove the stems, and cut them in quarters.
Place the tomatoes on the pan and spread them out evenly.
Add the peeled and cut shallots to the pan along with the head of garlic that has been cut in half.
Drizzle everything with olive oil.
Sprinkle with the oregano.
Roast for one hour, remove from oven and allow to cool.
Move the tomatoes, shallots, and juice to a high speed blender and squeeze the roasted garlic cloves into the blender.
Purée in high until completely smooth and creamy.
Enjoy!