(しゅしょく)

しゅしょく
noun
staple food
food
1. staple food, main dish (grain/carbohydrate)
The primary food that forms the basis of a diet, typically a grain or starchy food such as rice, bread, or noodles. In Japanese meals, this is distinct from side dishes (おかず).
日本(にほん)主食(しゅしょく)(こめ)だ。
The staple food of Japan is rice.
主食(しゅしょく)(こめ)にしますパンにします
Would you like rice or bread as your main carb?
While dieting, I try to reduce the amount of staple carbs and eat more vegetables.

In Japanese dietary culture, meals are structured around 主食(しゅしょく) (staple carbohydrate), 主菜(しゅさい) (main dish, usually protein), and 副菜(ふくさい) (side dishes). The 主食(しゅしょく) is typically (こめ) (rice), パン (bread), or (めん) (noodles).

Common collocations