Stir together first 4 ingredients.
Stir-fry pork mixture in hot oil in a large nonstick skillet 4 to 6 minutes; stir in cashews. Serve immediately over rice with, if desired, orange slices.
NOTE: To serve 4, use 1/3 cup stir-fry sauce, 1/4 cup vegetable oil, and double all other ingredients. Proceed as directed.
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