The stuff you need.
Preheat the oven to 400 degrees F
Flip over the muffin tin.
Cover the cups with foil
There are two ways to wrap the bacon. This is option 1.
This is option 2.
Note: While Option 1 is more durable, Option 2 will make a shallower bowl.
Put the bacon in the oven until crispy. If you can, put a pan under the bacon to catch the fat.
Remember to open a window to let the smoke out.
Once the bacon is done, let it cool and then take it off of the foil.