Gardein Garden Veggie Burgers are a gluten-free medley of roasted vegetables and non-GMO ingredients. Peppers, corn, carrots, onions, peas and brown rice come together for a satisfying meatless burger with 4 grams of protein per serving. Grill these plant-based patties in a flash, microwave them in just 1 minute or whip them up in a skillet. This Gardein frozen veggie burger makes a delicious flexitarian option any day of the week.