human
Existing Text : 
The recipe is : 
1. Preheat the oven to 350 degrees. 
2. Mix the ingredients.

User Input:
Add Bake for 30 minutes to the recipe
gpt
The recipe is : 
1. Preheat the oven to 350 degrees. 
2. Mix the ingredients. 
3. Bake for 30 minutes.