Yes! Click the user button in the top-right, and then go to Meal Preferences and click Edit in the upper right of the page.
You can choose from a number of common diets such as Vegetarian, Gluten-Free, Keto, etc as well as dietary restrictions such as Peanut-Free, Dairy-Free, etc, and you can even specify individual ingredients to avoid. This will set your filters in your recipe searches by default.
You can also set these filters when you are searching, and if you want the filter settings to persist into your future sessions, you can click Save to Preferences
