An easy old trusty from my MIL
Baked Pineapple Casserole
5 slices bread, cubed
1 stick butter (salted)
2/3 cup sugar
3 eggs
3 TBSP flour
1 #2 can crushed pineapple in heavy syrup, don't drain
Melt butter, and add bread cubes, set aside.
Beat eggs, add sugar and flour and crushed pineapple. Then add butter soaked bread cubes and push them down into the mixture.
Bake covered in buttered casserole at 350 for 30-45 minutes or until set.