Corn Zucchini Bake

3 – 4 med zucchini
¼ cup chopped onion
1 – 10oz frozen corn, cooked and drained
1 cup shredded swiss cheese
¼ t. salt
¼ t. parmesan cheese
¼ cup butter
2 cups soft bread cubes
Slice unpeeled squash 1 in thick, cook for 15-20mins. Drain and mash w/ fork.
In same pan, cook onion in butter. Add squash, eggs, corn, cheese, and salt. Combine bread cubes, butter and parmesan cheese. Put on top other mixture. Bake 350* for 40 mins or until knife comes out clean. Let stand for 10 mins.
Grandma Moss