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noun-plural. Informal Accessories; trimmings: a holiday dinner with all the fixings.

n. All the components and accessories that normally accompany a project or event, particularly a social event.

n. Side dishes.

n. Plural form of fixing.

n. food that is a component of a mixture in cooking

n. the accessories that normally accompany (something or some activity)

"Choosing one 500-calorie dessert or burger with all the fixings is a very different decision than mindlessly adding 100 calories here or there with mayonnaise, soft drinks, and whole-milk lattes."

accessory    appurtenance    add-on    supplement   

fixtures    fittings    supplies