Fluffy Cheese-Filled Buns with Feta, Mozzarella & Green Onion - Yummy Expert

Ingredients

• 100 ml milk
• 100 ml hot water
• 5 g dry yeast
• 1 tbsp sugar
• 350 g bread flour
• 1 tsp salt (or to taste)
• 40 ml sunflower oil
• 150 g mozzarella cheese, grated
• 100 g feta cheese, crumbled or chopped
• 1 sprig green onion, finely chopped (optional)
• 1 egg yolk
• 2 tbsp milk
• Sesame seeds
• Poppy seeds
• Coarse salt