1.   Position oven rack at top of oven.

2.   Position rack in lower third of oven.

3.   Position rack in center of oven.

4.   Position oven rack in center of oven.

5.   Position rack in lower third of the oven.

6.   Position oven rack in middle of oven.

7.   Position rack at top of oven with room to fit a pan under the broiler.