Slow Cooker Devilled Sausages

Name: Slow Cooker Devilled Sausages
Prep time: 15 min
Cook time: 4 h
Total time: 4 h 15 min
Cuisine: Australian
Ingredients: 6-8 Sausages; 1 Cup Beef Stock, 250ml; 1 Onion, finely sliced; 1-2 Apples, cored and sliced; 1 Can Chopped Tomatoes; 1 Tablespoon Soy Sauce; 2 Tablespoons Worcestershire Sauce; 1 teaspoon garlic, crushed; 1/4 Cup Brown Sugar; 2 Tablespoons Tomato Sauce or Paste; 1 Tablespoon Cornflour; 1 teaspoon Paprika; Pinch of Salt & Pepper; 1/4 tsp Cayenne Pepper (to taste); 1 Tablespoon Wholegrain Mustard