What to Eat: Vegetables Pretty much any vegetable is allowed, except for corn, lima beans, peas, and other legumes. Artichokes Arugula Asparagus Acorn squash Beets Bibb lettuce Broccoli Brussels sprouts Butternut squash Carrots Cauliflower Chives Collard greens Endive Eggplant Fennel Green beans Jicama Kale Okra Onion Pea pods Pumpkin Radicchio Radishes Red-leaf lettuce Snow peas Sugar snap peas Summer squash Sweet potatoes Swiss chard Tomatoes Watercress Winter squash Zucchini Image Source: Getty / Alexander Spatari