Saut? ground beef, celery, onion and green pepper together. Cook noodles as directed. Mix meat and noodles and add:
1 (10 ounce) jar salad olives (broken pieces), juice and all 1 small can tomato paste 1 can tomato soup 1 (8 ounce) can tomato sauce 1 package spaghetti sauce mix, mixed as directed on package 1 (4 ounce) can mushroom pieces and stems
Mix all together and turn into lightly greased pan. Cover with one pound grated Cheddar cheese. Bake uncovered at 375 degrees F for 30 minutes.