Add the bread mix to a mixing bowl, along with the warm water. Then, using your hands, mix everything into a rough ball.
Place the dough onto a lightly floured surface and knead for 10 minutes until you have a smooth ball. Divide into 8, and shape into 8 balls. Cover and leave to prove for 20 minutes, until risen and puffy when pressed. You only need one ball of dough for this recipe, so you can freeze the rest for next time (see the tip below).
To a small bowl, add the tomato purée, cold water, mixed herbs, garlic granules, sweetener, Henderson’s relish, and a little salt and pepper. Mix well.
Preheat the oven to 190ºC and line a baking tray with non-stick baking paper. Once the dough is ready, roll out the ball of dough to approximately 16cm wide, then spread with the tomato purée mix.
Add the chicken, bacon, red onion, pepper, and tomatoes.
Sprinkle over the cheese and pop into the oven for 15 minutes, until the pizza base is cooked and not soggy underneath, and the cheese is bubbling and golden brown. Serve!