Preheat the oven to 425 degrees Fahrenheit.
Peel the outer layers of the whole head of garlic, making sure to leave the garlic cloves intact.
1 whole garlic bulb
In a 13×9 baking dish, add the cherry tomatoes, shallot, oregano, thyme, basil, and crushed red pepper. Place the head of garlic in the center of the baking dish.
32 ounces cherry tomatoes, 1 medium shallot, 1 teaspoon oregano, 1 teaspoon thyme, ½ cup loosely packed fresh basil, 3 teaspoons crushed red pepper flakes or to taste
Drizzle with olive oil, and season with salt and pepper to taste.
3 Tablespoons extra virgin olive oil, Salt to taste, Black pepper to taste
Bake for 40-45 minutes or until tomatoes burst and garlic is nice and tender.
In the meantime, cook the pasta according to the package instructions until al-dente. Reserve 1 cup pasta water
1 pound Barilla spaghetti noodles
Remove the tomato mixture from the oven and let cool slightly. Transfer to a high-speed blender with the heavy cream. Blend until smooth.
¼ cup heavy cream
Transfer to a pot with the cooked pasta, Parmesan cheese, and pasta water, if needed. Stir to combine.
½ cup grated Parmesan cheese
Serve warm.