Summer Squash Casserole

Ingredients:
3 c. cooked yellow squash, drained
2 pieces of bread, torn into small pieces
1 egg, beaten
salt and pepper
1/4 c. butter, melted
1/2 c. finely chopped onion
1/2 c. milk
1 c. grated cheddar cheese

Directions:
Mix all. Bake at 350 degrees F. for 45 minutes