-
In an ungreased 9-in. square baking pan, overlap pineapple in two stacks of two slices each.
-
Combine brown sugar and cinnamon; sprinkle over pineapple.
-
Broil 4-6 in. from the heat for 1 to 1-1/2 minutes or until sugar is melted.
-
Top with marshmallows; broil 1 to 1-1/2 minutes longer or until marshmallows are golden brown.