Gluten-Free Slow Cooker Swiss Steak and Veggies. A complete dinner, Gluten-Free Slow Cooker Swiss Steak and Veggies is quick to throw together and perfect for a weeknight dinner. Dairy and soy-free, also! The First-Taste.com. GET THE RECIPE Gluten-Free Slow Cooker Swiss Steak and Veggies (Video) submitted by The First-Taste