Step 1: Preheat Your Oven - Preheat your oven to 200°F (93°C) to dry the meringues without browning.
Step 2: Prepare Your Baking Sheet - Line a baking sheet with parchment paper.
Step 3: Whip the Egg Whites - Combine egg whites and cream of tartar. Beat on medium speed until frothy.
Step 4: Add Sugar Gradually - Gradually add sugar, one tablespoon at a time, beating until stiff peaks form, about 5-7 minutes.
Step 5: Fold in Cardamom - Gently fold in ground cardamom with a rubber spatula.
Step 6: Pipe the Meringues - Transfer meringue to a piping bag and pipe onto the prepared baking sheet.
Step 7: Bake - Bake for 1.5 to 2 hours, until dry and can lift off parchment.
Step 8: Cool and Enjoy - Turn off the oven and let meringues cool inside for an hour before enjoying.