To delete a meal from your daily log:
Go to the Home tab.
Scroll down to your meal log.
Find the meal you want to remove.
Swipe left on that meal.
Tap the Delete option that appears.
If it’s a meal from yesterday:
Open the Diet tab.
Find the meal.
Tap Delete in the top right corner.
You can also swipe left on individual ingredients inside a meal if you only want to remove one item rather than the whole meal.