Here is a goal: To line the square muffin pan with parchment paper so that paper can line the pan exactly.

How would you accomplish this goal?

Choices:
(1). Measure the depth and side of the inside of the squares. Cut the parchment paper into squares with the length equivalent to 2 depths plus 1 side. Fold it up at the length of the depth on all 4 sides. Cut away the overlaps at the corners.;
(2). Measure the depth and side of the outside of the squares. Cut the parchment paper into squares with the length equivalent to 2 depths plus 1 side. Fold it up at the length of the depth on all 4 sides. Cut away the overlaps at the corners.;
(1).