Congrats on your first game! You've done really well. It took me a little while to understand how I was meant to play but it was fun when i got into the swing of it.
I disagree with one of the other comments, in that I do feel like there was adequate visual cues. What might have been good is if at the start I knew exactly what colour meant the food was cooked properly, because that was a little trial and error and even now I'm not sure how much I should be cooking each item for.
The other thing that would've been good is having the game loop back around so I could easily try again. All I could find to do that was refreshing the page.
Good effort though!