Kielbasa Sandwiches with Grilled Sweet Onions, Sauerkraut, Melted Cheese & Mustard Jalapeno Spread The whole grain mustard mixed with the jalapeño jelly makes a spicy and delicious condiment on this sausage and sauerkraut sandwich served on a crusty roll. Upload a picture of this recipe Your email * Your photo * The maximum size allowed is 10M. *required fields OK Recipe Print Comments Photos Send this recipe to friends < Grilled Fried Chicken Panini Grilled Cheese with Bacon and Guacamole >