Turkish pizza a.k.a. Lahmacun

Ingredients

• 500 grams flour + extra
• 250 ml lukewarm water
• 7 grams dry yeast
• 2 tablespoons Turkish or Greek yogurt
• 2 tablespoons sunflower oil
• Pinch of salt
• Pinch of sugar
• 500 grams minced lamb or beef
• 2 ripe tomatoes
• 1 (large) can tomato puree
• 1 red bell pepper
• 1/2 red chili pepper
• 3 spring onions
• Handful fresh parsley
• 1 tablespoon sunflower oil
• 1 tablespoon water
• 2 tablespoons chili flakes
• Ground black pepper
• (iceberg) lettuce
• 1 white onion
• 1 ripe tomato
• 1 cucumber
• Black olives
• Salt
• pepper
• 250 ml Turkish or Greek yogurt
• 4 cloves of garlic