Put the baking mix in a bowl. Stir in 1/4 litre of lukewarm water with the dough hooks of the hand mixer. Knead the dough with your hands and divide into 8 pieces. Roll out into small pizzas on a floured work surface.
Spread each with tomato paste and sprinkle some grated cheese. Clean, wash and slice the tomatoes and spread on top. Season with salt, pepper and dried herbs. Slice and spread the mozzarella.
Line 2 baking trays with baking paper. Bake in the preheated oven (electric oven: 200 °C/ gas: level 3) for 15-20 minutes. Wash and clean the rocket. Serve pizzas with ham and rocket topped.