Plant-Based Ingredients: The patty is primarily made from a combination of vegetables, grains, legumes, and other plant-based ingredients. Common ingredients may include potatoes, carrots, peas, corn, beans, lentils, and various spices. Pre-cooked and Frozen: Veggie Burger Patties are pre-cooked and then frozen to maintain their freshness and taste. This makes them quick and easy to prepare. Quick and Easy Preparation: McCain Veggie Burger Patty can be easily prepared by baking, grilling, or pan-frying them directly from the frozen state.