Help! I just made my first NutriBullet and it tastes nasty. I followed the Nature's Candy rececipe thinking it would be the best tasting to start with. I used Butterhead lettuce, 1 pear, 1/2 cup blueberries, 1/2 banana, 1/2 tsp of the Superfoods powder and water. I left out the apple and full amounts of some fruits because the glass was getting very full. It came very brown, kinda thick and does not taste good. Could it be the lettuce since I"m not used to drinks with lettuce included, the superfoods powder or both?