Add them to a food processor (or a large pestle and mortar) along with the rest of sauce ingredients. (greenkitchenstories.com)
Remove the leaves from the oregano and thyme stems and put the leaves in a food processor with the rest of the sauce ingredients (grillinfools.com)
The mozzarella never blended into the rest of the sauce ingredients, it merely melted into a gooey mush while the rest of the liquids and solids did their own thing. (eatgood4life.com)