Go to the Meal Plan tab and tap the Actions (…) button.
Select Move, Copy & Delete from the actions menu.
Select a recipe to move (or copy). In the Calendar view, you can select multiple recipes from the same date to move or copy. In the List view, you can select multiple recipes from different dates.
Tap Move or Copy.
Select a new date for the recipe(s).
You can also change the date for a recipe from the recipe details screen.
Select a recipe from the meal planning calendar.
Tap the date in the navigation bar.
Select a new date for the recipe.