Preparation Blanch onions in large pot of boiling salted water 15 seconds. Using slotted spoon, transfer to large bowl of ice water to cool. Trim root end if necessary, leaving core intact. Peel onions. Heat oil in large nonstick skillet over high heat. Add onions and sauté until onions have deep golden brown spots, about 9 minutes. Add orange juice and vinegar; bring to boil, scraping up browned bits. Reduce heat to medium-low, cover, and simmer until onions are just tender when pierced with knife, about 8 minutes. Using slotted spoon, transfer onions to medium bowl. Boil juices in skillet until syrupy and reduced to 2/3 cup, about 3 minutes. Pour over onions. Serve warm or at room temperature. (Can be made 1 day ahead. Cover and chill. Rewarm or bring to room temperature before serving.) Market TipCipolline onions are small, flat Italian onions. They can be found in the produce section of many supermarkets and Italian markets.
Preparation Blanch onions in large pot of boiling salted water 15 seconds. Using slotted spoon, transfer to large bowl of ice water to cool. Trim root end if necessary, leaving core intact. Peel onions. Heat oil in large nonstick skillet over high heat. Add onions and sauté until onions have deep golden brown spots, about 9 minutes. Add orange juice and vinegar; bring to boil, scraping up browned bits. Reduce heat to medium-low, cover, and simmer until onions are just tender when pierced with knife, about 8 minutes. Using slotted spoon, transfer onions to medium bowl. Boil juices in skillet until syrupy and reduced to 2/3 cup, about 3 minutes. Pour over onions. Serve warm or at room temperature. (Can be made 1 day ahead. Cover and chill. Rewarm or bring to room temperature before serving.) Market TipCipolline onions are small, flat Italian onions. They can be found in the produce section of many supermarkets and Italian markets.