Want to show that you liked a recipe that someone posted in the app? Just press the heart icon! It is available directly in your feed, next to the recipe name, or on the recipe page itself. Just go to the recipe and click on the heart, which is located in the upper left corner of the screen!
You can see the recipes you like by clicking on the heart icon in the bottom bar of the app, or by going to your profile in the "Like" section.