Split Fit Meal Prep › Pot Roast and Mash - Individual - High Protein and Gluten Free Image 1 of 1 Pot Roast and Mash - Individual - High Protein and Gluten Free $16.00 Garlic Mashed Potatoes Topped with Slow Roasted Beef, Carrots, Onions, and Rich Gravy. Quantity: Add To Cart Added! Garlic Mashed Potatoes Topped with Slow Roasted Beef, Carrots, Onions, and Rich Gravy.