Grilled Potatoes

2 lbs. red potatoes, quartered
1/2 c. water
1/2 c. salad dressing
1/4 c. chicken broth
2 tsp. dried oregano leaves
1 tsp. garlic powder
1/2 tsp. onion powder

Cook potatoes until partly done. Drain off water. Mix remaining ingredients, stir in potatoes, cover and refrigerate 1 hour. Drain, reserving salad dressing mixture. Arrange potatoes on skewers. Place on grill over hot coals. Grill, covered, for 4 minutes. Rotate skewers, brush with reserved salad dressing mixture. Continue grilling until done and brown.