Preheat oven to 200 degrees.
Add sweet potato and garlic to a sheet pan lined with parchment paper. Lightly coat sweet potato in oil, salt and pepper. Roast for 40-45 minutes, until sweet potatoes and garlic are browned.
Add cooked sweet potato and garlic cloves (removed from bulb) to a blender along with the rest of the sauce ingredients. Blend until smooth.
Mix sauce with cooked pasta and top with basil. Serve and enjoy.
