Authentic Kolach Recipe Czech Republic, Europe

Name: Kolache with Plum Filling
Prep time: 45 min
Cook time: 15 min
Yield: 16 servings
Cuisine: Central European
Ingredients: FOR THE DOUGH; 250g all-purpose flour; 125ml milk; 10g fresh yeast; 50g sugar; 2 eggs; a pinch of salt; 1 lemon, peel; 100ml vegetable oil; CINNAMON CRUMB TOPPING; 50g high gluten flour; 30g sugar; 30g butter; 1/2 tsp cinnamon; POPPY SEED TOPPING; 6-8 tbsp ground poppy seeds; 3 tbsp sugar; butter, a piece; TO FINISH; plums, cut into quarters; 1 egg; 50g butter, melted + rum