Apple Swirl Pastry (Învârtită cu Mere) - Yummy Expert

Ingredients

• 1.4 kg apples (peeled, washed, and grated)
• 2 tbsp sugar (adjust to taste)
• 1 tbsp butter
• 400 g bread flour
• 13 g fresh yeast (or dry yeast equivalent)
• 30 g sugar
• 80 ml warm milk
• 40 ml oil (olive oil or sunflower oil)
• 2 large eggs (or 3 smaller ones, at room temperature)
• 1 tbsp Greek yogurt
• A pinch of salt
• 1 egg yolk
• 2 tbsp milk