Cannoncini with cream …. cheese

Ingredients:

• 1 roll of puff pastry;
• 1 egg;
• 25 g butter;
• 25 grams of flour;
• 250 ml of milk;
• 30 grams of grated cheese;
• 1/2 teaspoon turmeric;
• salt;
• 2 tablespoons chopped hazelnuts