One has to enjoy food with all the senses. One enjoys the sight of food, red, yellow, green, orange, red, shades of color satisfies the eyes.
Various odors stimulate the smell organ.
Touch of foods with bare hands itself is a pleasure. Various forms and textures of foods are felt with the hands. Textures of softness, graininess, hardness, roughness, powdery and crispness, etc can also be felt while eating. Unfortunately we enjoy the first few mouths of eating. Then we forget about eating science we don't eat while we eat.