Some grocery stores today sell baked goods. Baked goods are items like rolls or donuts. These are products that are made in the store. Different stores sell different kinds of baked goods. The bigger the store, the more choices it will have.
Donuts are a common baked good that many stores sell. Muffins are usually sold with donuts. These goods are usually displayed in cases with glass doors. Near the displays are containers to put the product into. The containers can be as small as a bag for only one donut to a large box big enough for one dozen donuts.
If you want this type of baked good, figure out how many you are going to buy. Then pick the correct size of package that you want. Also near the display should be boxes of plastic gloves or small papers. Use one of these to pick out the items that you want. Place what you want in the container. You will pay for the items when you checkout.