Broccoli Casserole

1 bag frozen broccoli florettes (or equivalent of fresh)
1 cup mayo
1 cup shredded cheese (I use cheddar, but any would be good)
1/2 can (or more, like 3/4 cup or so) condensed cream of mushroom soup (don't add water)
1 small can mushrooms, drained, or 1/2 cup fresh sliced
2 eggs, beaten
Defrost broccoli (or cook the fresh stuff).
Mix eggs, mayo, soup and cheese.
Then add that to broccoli and mix well.
Put everything in a casserole dish.
Bake at 350 degrees for 30-40 min., until top is golden and casserole is bubbling.