01 -
Preheat oven to 350°F. Spray a 9x13 inch baking dish with nonstick cooking spray.
02 -
Bring a large pot of water to a boil. Cook the shells according to package directions, then drain well.
03 -
In a large skillet over medium-high heat, brown the ground beef. When halfway cooked, add the onion and continue cooking until the beef is browned and the onions are soft. Drain any excess grease if necessary.
04 -
Add taco seasoning and water to the skillet. Simmer for 10 minutes. Stir in salsa and remove from heat. Allow mixture to cool slightly before adding half of each cheese.
05 -
Spoon the seasoned ground beef mixture into the shells and arrange them in a single layer in the prepared baking dish. Top with remaining cheese, Rotel tomatoes, and minced jalapeno.
06 -
Cover the dish with foil and bake for 20 minutes. Uncover and bake for an additional 5 minutes.
07 -
Sprinkle with minced jalapeno or green onion. Serve immediately for best results.