For example, tomatoes, peppers, potatoes, and bananas didn't arrive in Greece until after the discovery of the Americas in the 15th century, because that's where those foods originated. Lemons, oranges, eggplant, and rice also arrived later. But the ancient Greeks enjoyed a varied diet.
1 Place spareribs in a large stock pot with barbeque sauce, onion, salt, and pepper. Pour in enough water to cover. Bring to a low boil, and cook approximately 40 minutes.  Preheat grill for high heat.
Quick Answer. Ribs can be parboiled for about 1 hour. Place the ribs in a large stock pot, and cover them with water and seasoning. Bring the water to a boil, then let the ribs simmer.