german potato salad - kartoffelsalat. watercolor

german potato salad onion dish kartoffelsalat illustration watercolor homemade simple appetizer green red boiled potatoes brunch onions cucumbers pickles restaurant menu traditional vegetable wooden background dinner cuisine food side germany austria gourmet herbs bowl vegetarian bavarian homestyle farmstyle delicious kitchen cooked classic cutting napkin vintage kartoffelsalat served cucumbers top view hand drawn illustration suitable for cookbook