How do you check doneness without a toothpick?

Online Answer
Our Favorite Alternative to Toothpicks If you're in the middle of making, say, your best-ever chocolate cake and you don't have a toothpick to check cake doneness, a thin, sharp knife ($12, Target) is our Test Kitchen's favorite work-around. Look at your knife set and find the one with the thinnest blade.
Related Questions 📌
Use a piece of dry spaghetti in place of toothpicks. Dry spaghetti works as a perfect substitute for toothpicks. It's sturdy enough to hold things together and you can break it into any length you need (do not use thinner pasta, such as angel hair, because it is too brittle).
If you want to make cook like a chef, you need to think like a chef. The next time you're trying to stuff chicken breasts. Try using toothpicks in order to keep everything in place.