Heat WATCHAREE’S Thai green curry in a pot over medium heat.
Mix flour with cold water. Whisk in the flour mixture one tablespoon at a time into the green curry sauce, and stir until the sauce is slightly thickened.
Add lobster and pour mixture into the four ramekins. Add basil leaves on top.
Roll out the puff pastry sheet. Cut out four circles to fit the ramekins.
Beat egg with water to make egg wash. Brush pastry with egg wash and bake until golden on top and filling is bubbly (about 15 minutes).