| 1 medium unpeeled orange -- scrubbed, halved, seeded and cut into 2-inch chunks |
| 1 medium Granny Smith apple -- peeled, cored and cut into 2-inch chunks |
| 1/4 medium unpeeled lemon -- scrubbed, seeded and cut into 2-inch chunks |
| 2 cups fresh or frozen cranberries (1/2 pound) |
| 1/2 cup coarsely chopped walnuts (about 2 ounces) |