Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C). Line two baking sheets with parchment paper.
- In a clean, grease-free bowl, beat egg whites, salt, and cream of tartar on medium speed until foamy.
- Increase speed to high and gradually add sugar, one tablespoon at a time, beating until stiff, glossy peaks form.
- Beat in vanilla extract just until combined.
- Gently fold in chocolate chips (and nuts if using) with a spatula.
- Drop by teaspoonfuls onto prepared baking sheets.
- Place baking sheets in the oven and IMMEDIATELY turn the oven off.
- Leave cookies in the unopened oven for at least 8 hours or overnight.
- Remove from oven and store in an airtight container.
Notes
Do not open the oven door while cookies are resting! Humidity affects meringues; avoid making on rainy days.