General contents may include:
main course (entree)
side dish
dessert or snack (often a commercial candy or a fortified pastry)
crackers or bread
spread of cheese, peanut butter, or jelly
powdered beverage mix: fruit flavored drink, cocoa, coffee or tea, sport drink, or dairy shake.
utensils (usually just a plastic spoon)
flameless ration heater (FRH)
Accessory pack:
xylitol chewing gum
water-resistant matches
napkin / toilet paper
moist towelette
seasonings, including salt, pepper, sugar, creamer, and/or Tabasco sauce
Many items are fortified with nutrients. In addition, DoD policy requires units to augment MREs with fresh food and A-rations whenever feasible, especially in training environments.