Step 1

In a large bowl, mix together butter, sugar and eggs.

Step 2

Beat in flour, baking soda and salt.

Step 3

Stir in pineapple.

Step 4

Spread into a greased 9x9 square pan.

Step 5

Bake at 350 degrees F for 28-33 minutes until done. Cool in pan for 10 minutes.

Step 6

Sprinkle with powdered sugar and cut into squares. Serve.