Here at Busy Teacher you can find a lot of teaching ideas that have worked for other ESL instructors. There are currently 1,628 available worksheets in this section alone! You can also sort worksheets by ranking to see ones that received positive feedback and read what other teachers have said in the comments section. These tools can help you decide what worksheets to use in your classroom. This worksheet contains great color flashcards for different types of food and includes instructions for a card game. It is just one of the free, printable worksheets you can find. If you need further resources, look at some related articles; they contain a lot of lesson ideas too.
Great online communities like Busy Teacher really bring teachers together and allow them to share information easily. There are a lot of resources available for teachers today so rather than starting from scratch, you can see what has worked for others while building your own curriculum and creating new material. Since you have awesome ideas of your own, feel free to submit your worksheets so that others can learn from what you have done in the classroom. This way we can all learn from each other.