When opening a recipe in the mobile app you will find a menu in the upper right (three dots). Click on this. It allows you to scale a recipe or add it to a shopping list. The pencil icons allow you to edit the different parts of your recipe. If you edit the Highlights section you can move the recipe to a different cookbook.
Use the Save button in the upper right corner of the screen to save your changes, or use the Next arrow in the lower right to get to the end where you will find a Save button there as well.
Click on the pencil icon next to the ingredients. You can add ingredients from here. You an also move ingredients around (up/down). In the Android app you use the arrows to move them. With an iPad or iPhone you tap and hold an ingredient and drag it.
Click on the pencil icon next to the instructions. You can add instructions from here. You an also move the instruction text boxes around (up/down). In the Android app you use the arrows to move them. With an iPad or iPhone you tap and hold an ingredient and drag it.
You can use the pencil icons to edit other parts of the recipes. You can use the Back and Next arrows at the bottom of the screen while editing a recipe to move to the different sections.