These veggie burgers are the perfect pre-workout meal! Kale is packed with B vitamins that work to create energy at the cellular level. Sweet potatoes and quinoa serve as healthy slow digesting carbohydrates that provide long lasting energy throughout your workout. BONUS POINTS- these delicious patties are vegan and gluten-free! Quinoa, Kale, and Sweet Potato Burgers 1 onion, finely chopped 1 cup kale, de-stemmed and finely chopped 1 cup sweet…