Stuffed Biscuits Filled biscuits that are made on the fly, filled with hazelnut cream and chocolate flavor. Very soft dough and delicious It is very simple to prepare, the dough must be left in the fridge for at least 30 minutes. Follow the recipe. Ingredients: simple, preparation: 37 min., standing time 30 min. Total time: 67 min., 14 cookies 270 g flour 00 150 g butter/ room temperature 120 g of sugar 2 eggs 1/2 teaspoon of baking soda 1 teaspoon of baking powder 1 vanilla