Step 1

Finely chop onion. Set aside.

Step 2

In a large Dutch oven, brown hamburger and onion until hamburger is no longer pink and the onion is translucent. Drain off excess fat. Return to pot.

Step 3

Add spaghetti sauce.

Step 4

Add the Chili-o-seasoning. Stir.

Step 5

In another large pot boil the shells until al dente.

Step 6

Drain.

Step 7

Combine meat mixture with shells and stir carefully as to not tear the shells.

Step 8

Garnish with Parmesan cheese. Enjoy.