What is the fine-grained topic of the following text: We use all-natural flavors, high quality ingredients and as many local purveyors as possible (Clover butter, eggs and dairy, Lagunitas beer, C&H sugar, Purfect Puree-fruit from Napa, The Flying Goat coffee from Healdsburg, we also use organic dark chocolate, yum! Only return the topic.
Use of local and high-quality ingredients in food production