How do you check for doneness in any bake products?

To check for doneness in baked goods, you can use several methods. For cakes and muffins, insert a toothpick or a thin skewer into the center; if it comes out clean or with a few crumbs attached, they are done. For bread, tap the bottom of the loaf; a hollow sound indicates it's fully baked. Additionally, you can check for a golden-brown color and a firm texture to the touch.