Trader Joe's Gourmet French Onion Pieces The Trader Joe's Gourmet French Onion Pieces ($18 for a pack of two) is a seasonal item that I scan the shelves for every time I enter the store. I love adding a handful to salads or side dishes such as brussels sprouts and string beans. Image Source: amazon.com Trader Joe's Gourmet French Onion Pieces $18 from amazon.com Buy Now