Dreamy Blue Butterfly Pea Flower Jelly Mooncakes

Name: Dreamy Blue Butterfly Pea Flower Jelly Mooncakes
Yield: 4 mooncakes
Ingredients: 200 ml milk or coconut milk; 1 tsp agar agar powder; 1 tsp konyaku jelly powder; 1 tbsp sugar (optional); 150 g grass jelly; 200 ml water; 6 blue butterfly pea flower; 300 ml milk or coconut milk; 1 tbsp sugar (optional); 2 tsp agar agar powder; 2 tsp konyaku jelly powder