Orange-Barbecued Spareribs

3 pounds spareribs, cut into serving pieces
3 tablespoons water
1 (6 ounce) can frozen orange juice
2 tablespoons water
1/2 cup brown sugar, firmly packed
1 tablespoon liquid smoke
2 tablespoons fresh lime juice
1 tablespoon white vinegar
1/2 cup honey
1 tablespoon Dijon mustard
1/4 teaspoon salt
1/8 teaspoon pepper
3 scallions, sliced (for garnish)
Orange slices (for garnish)

Place ribs meaty side up in a baking pan; sprinkle with the 3 tablespoons water. Bake at 375 degrees F for 30 minutes; drain off fat.

In a saucepan, combine remaining ingredients. Simmer 5 minutes; pour over ribs.

Reduce heat to 350 degrees F; bake 50 minutes, basting occasionally.

To serve, sprinkle with sliced scallions, then place orange slices around ribs.