Heat the oven to 200 C, 180 Fan, Gas 6. Soak the bread in the milk for a couple of minutes then lightly squeeze dry.
Combine the bread, beef, sausage, leek, red pepper, parsley, sea salt, pepper, cayenne, nutmeg, ketchup and Worcestershire sauce in a large bowl. Knead with your hands until well mixed then add the beaten egg and squish well to mix.
Shape into a loaf shape with your hands then place into a roasting tin lined with greaseproof paper. Strew the chopped tomatoes and cherry tomatoes along the top and scatter with sea salt, pepper and oregano. Bake for 1 hour or until cooked through.
Slice the meatloaf thickly and serve with green beans or watercress.