Torta di rose with ricotta filling (ricotta "roses")

Name: Torta di rose with ricotta filling (ricotta "roses")
Prep time: 30 min
Cook time: 2 h 30 min
Total time: 2 h 30 min
Yield: 14 portions
Ingredients: 230 g milk; 60 g salted butter; 20 g white sugar; 2 tsp dried instant yeast; 1 egg; 500 g plain flour; 1 tsp salt; 500 g ricotta; 50 g white sugar; 80 g dark chocolate chips; 40 g candied citrus peel; 1 tsp natural vanilla extract; 1 egg yolk