Cippolini onions are round, flat, Italian onions are about one to two inches in diameter. They're available in the fall. Excellent for roasting, pickling or bottling. These turbin-shaped onions have a mild flavor similar to a pearl or boiling onion.
While once hard to find these onions are available in many well-stocked grocery stores. Look for them in the same produce section where you find boiling and pearl onions.
If you can't find cippolini onions you can substitute another mild-flavored onion such as: