For the chocolate glaze

150 grams (3/4 cups (it depends on what size of chocolate chips you are using. ¾ cup is for the regular size)) chocolate chips
125 grams (1/2 cup plus 2 tsp) heavy cream

Instructions :

Prepare the choux batter:

Preheat the oven to 400 F and line two sheet pans with a parchment paper.

In a medium non-stick pot combine water with salt and bring to a boil.

Add butter and bring to a boil one more time.
Add flour and whisk vigorously until no lumps remain and the batter thickens, about 1 minute.