Tuna-casserole Supreme

Ingredients

1/2 c onion
1/2 c green pepper
1 c celery
16 t butter
1 package cheddar cheese soup
1/2 c milk
8 oz mushrooms
1 t salt
1 c green olives
6 1/2 tuna
1 c corn flakes
1/2 c almonds
2 casserole

Instructions

on top of casserole. Bake, uncovered, 25 minutes