Yes! You can search for meals that use a certain ingredient in two ways: when customizing your menu for the week or in the recipes page.
While customizing your menu for the week:
Search for certain ingredients in the search bar to find meals that use those ingredients.
Recipes page:
Select the Recipes page located in the top left navigation on desktop and the bottom left navigation on mobile (both shown in images below). Search for certain ingredients in the search bar to find meals that use those ingredients.
Desktop
Mobile