In a small saucepan. cook turkey portion in enough boiling water to cover for 5 minutes. Add green beans and cook 10 minutes more or until turkey is no longer pink (internal temperature should be 170°F) and green beans are tender. Remove turkey and beans from saucepan; cool. Reserve the water the turkey was cooked in. Finely chop the turkey and beans.
In a small bowl combine the turkey and beans with the cooked rice. Add just enough of the reserved cooking liquid to moisten. Use within 1 day, or freeze up to 1 month.
Spoon finished food into ice cube trays. Cover with waxed paper and freeze until firm. When ice cubes are frozen, remove cubes from tray and store in a resealable plastic freezer bag or freezer container. Label package with contents and date. Use within 1 month. Before serving, let thaw in the refrigerator overnight.
Heat thawed mixture to lukewarm in a small dish set in a pan of hot water. Stir before serving. Always sample a small bite to make sure the food is not too hot.