Step 1
Preheat oven to 400°F.
Step 2
Place 4 tablespoons melted butter in 9-inch cake pan and tilt the pan back and forth to coat the bottom. Sprinkle the brown sugar evenly over the melted butter.
Step 3
Arrange pineapple slices over brown sugar mixture; sprinkle with pineapple juice.
Step 4
In large bowl, stir together flour, baking powder, salt and sugar. Add milk, egg, vanilla and remaining melted butter; beat until blended. Carefully spoon batter over pineapple in pan.
Step 5
Bake 25 to 30 minutes, or until golden brown. Cool in pan on wire rack for 10 minutes. Turn out on serving plate; serve warm or cool.
Fresh pineapple or 1 (20 oz.) can pineapple slices may be used. If using canned pineapple, reserve liquid for pineapple juice.