Burrito Bar Mason Jar Salads! Layers of avocado dressing, roasted sweet potato, quinoa, black bean and crispy lettuce. Vegan  & Gluten-Free.  Who doesn't love a mason jar salad? They are slightly hipster, effortless to pack, and delicious. The trifecta for healthy millennials. Mason jar salads also make the perfect answer to "what should I pack