Roast beef and mushroom pizza

Name: Roast beef and mushroom pizza
Prep time: 15 min
Cook time: 1 h 40 min
Total time: 1 h 40 min
Yield: 8 portions
Ingredients: 250 g spelt flour; 250 g plain flour; 280 g warm water; 2 tsp dried instant yeast; 20 g olive oil; 1 ¼ tsp salt; 1 pinch white sugar; 1 garlic clove; 300 g sour cream; 1 ¼ tsp salt; ¾ tsp ground black pepper; 350 g roast beef; 30 g whiskey; 25 g honey; 2 tsp sweet paprika; ½ tsp hot paprika; 250 g fresh brown mushrooms; 1 tbsp olive oil; 1 ½ tsp dried thyme; ¾ tsp grated lemon zest; 2 spring onions/shallots; 50 g Parmesan cheese