Beef Burger with House Sauce and Slaw

Minced Beef : 85% : Red Tractor : UK, Mushrooms : Chestnut (Mushrooms : Chestnut), Burger Bun : Seeded : 4" : Ultimate, Cabbage : White (Cabbage - White), Cotswold Gold Mayonnaise : Original : Vegan, Lettuce : Little Gem (Lettuce : Little Gem), Carrots : Main Crop (Carrot - Chantenay), Cabbage : Red (Cabbage Red), Spring Onion (Spring Onions), Rubies in the Rubble Tomato Ketchup Jerry Cans (Tomatoes, Pear, White sugar, Spirit Vinegar, Salt, Spices), Onions : Large (Whole Onion), Kuhne : Gherkins : large (Gherkins, water, spirit vinegar, glucose-fructose-syrup, salt, sugar, natural flavouring), Onions : Red : Italian (Red Onion), French's American Mustard (Spirit Vinegar, Water, **Mustard** Seed, Salt, Turmeric, Paprika, Spice, Flavouring, Garlic Powder), Parsley : Flat Leaf (Parsley : Flat Leaf), Garlic : Peeled (Garlic : Peeled), Brakes Table Salt (Salt, Anti-caking Agent E535.), Whole : Black Peppercorns (Whole Black Pepper.), Cayenne Pepper : Herbs (Ground Cayenne Pepper), Lemon : . (Lemon : .), Tomatoes : Beef (Tomato)