Roast beef and mushroom pizza

Pizza dough

• 250 g spelt flour
• 250 g plain flour
• 280 g warm water
• 2 tsp dried instant yeast
• 20 g olive oil, plus extra for greasing
• 1 ¼ tsp salt
• 1 pinch white sugar

Roast beef and mushroom topping

• 1 garlic clove
• 300 g sour cream
• 1 ¼ tsp salt
• ¾ tsp ground black pepper
• 350 g roast beef, cut into thin strips (approx. 2 x 5 cm)
• 30 g whiskey
• 25 g honey
• 2 tsp sweet paprika
• ½ tsp hot paprika
• 250 g fresh brown mushrooms, cut into slices
• 1 tbsp olive oil
• 1 ½ tsp dried thyme
• ¾ tsp grated lemon zest, no white pith
• 2 spring onions/shallots, trimmed and cut into very thin slices
• 50 g Parmesan cheese, shaved