I usually buy the Lundberg (sp?) Rice blends (usual disclaimers: I'm only a customer). They sit in my cupboard, debagged and jarred with a recipe for a label, until I'm ready to use them up--within a year,most times. The blend with the black label always goes over well at my house. This is the kind of foodstuff that we keep on hand and rotate out--always enough for short-term emergencies.
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Improvise,
Utilize,
Realize.