Mix all the ingredients for the mustard sauce. Whip. Season to taste.
Roll out the pizza dough to the desired thickness. Rub with olive oil and sprinkle with paprika powder.Crumble the blue cheese on it.Cut the pear into thin slices and arrange on the pizza.Bake in a preheated oven at 250°C, until the edges are coloured golden brown.
Cut the fennel into thin slices. Mix with the arugula and add some olive oil. Season to taste. Spread over the pizza and finish with some shredded ham. Divide into equal pieces and serve with the mustard sauce.