Crispy Milan Cookies

Ingredients:
150 grams egg white (5-6 eggs)
150 grams powdered sugar
150 grams flour
150 ml heavy cream
*3 tsp earl grey tea leaves to make earl grey flavored heavy cream for earl grey cookies. (optional - see below)
**3/4 tsp earl grey tea leaves to add in batter. (optional)

Chocolate filling:
90 ml heavy cream
5 ounces of 70 % chocolate + 1 ounce semisweet chocolate
***1 orange zest (optional)

1. Preheat the oven at 350 F.
2. Sift flour and put aside. 
3. Beat egg white and make meringue by adding sugar gradually until it forms stiff peaks.
4. Add flour and heavy cream. (To make plain and earl grey flavored cookies, devide batter into halves in separate bowls and add plain and earl grey heavy cream into each batter.)
5. Squeeze the dough in the icing bag to shape very thin, long shapes on a cookie pan and bake for 17 - 19 minutes (important - space them about 1.5 inches apart as they spread! Bake well until the edge of the cookies turn brown).
6. While cookies cool down, heat chocolate filling ingredients until the chocolate melts and put the chocolate filling on each cookie and sandwich it with another cookie.

To make earl grey flavored cookies:
*At the very beginning, make earl grey heavy cream by microwaving 50 ml heavy cream with tea leaves for 40 seconds or more. Remove tea after it steeps and add in more heavy cream to make 75 ml in total. In a separate bowl, put 75 ml plain heavy cream to make plain ones and chill both in the fridge. 
 **Add tea leaves into the earl grey batter after step 4.