Product Snapshot: Garden Lites Blueberry Oat Muffins from Garden Lites, a Classic Cooking brand, are filling treats made with fresh zucchini and carrots. Suitable for breakfast, lunch or snack time, the frozen muffins can be heated in a microwave or enjoyed at room temperature. Like the company’s other muffin varieties, its Blueberry Oat Muffins are gluten-free, low in calories, a good source of fiber and kosher parve.