Heat oven to 375 degrees
Sauté chopped onion in olive oil
Add beef. Cook well
Add tomato soup.
Cook egg noodles according to directions on package
Drain well
Add cream of mushroomsoup.
Grease casserole dish
Place ½ of beefmixture in bottom of casserole.
Add ½ of noodlemixture.
Put remaining beef on noodles
Add remaining noodles.If desired, sprinkle paprika lightly over top of noodles.
Bake for 20 to 25minutes, or until bubbly.