Preheat oven to 350°F. Grease and flour a 13" x 9" pan
Drain pineapple into a small bowl or measuring cup. You will need the juice to mix with the wet ingredients. Set both aside.
In a bowl, whisk together flour, sugar, baking powder, baking soda and salt. Set aside
In a large bowl, milk, vegetable oil and eggs together until smooth, about 1 minute
Add reserved pineapple juice and vanilla. Stir to combine.
Add dry ingredients gradually to the wet, stirring to combine
Fold in pineapple tidbits
Pour batter into prepared cake pan and bake for 30-35 minutes or until centre is cooked.
Cool in pan before serving. Can be served warm or cold.
