I have natvia sachets. I put in half of the recommended sweetener as I wasn't sure how sweet the sachets were when used as a substitute. The cheesecake wasn't sweet enough so I sprinkled one more sachet on top over the whole cheesecake. All up one sachet in base, one sachet in cheese, one sachet on top. It still needed a little more sweetness so if I had've use the actual recommendation from the recipe it would've been fine.