Preheat oven to 350°F. Spray a 2-quart baking dish with cooking spray.
Cook pasta per package directions to al dente and drain.
8 oz. small elbow macaroni
While pasta cooks, heat butter and oil in a large Dutch oven, over med-high heat. Sauté onion and green bell pepper until pepper is tender and onion is translucent.
2 tbsp unsalted butter, 2 tbsp olive oil, 1 medium sweet yellow or yellow onion, 1 green bell pepper
Stir in the undrained can of tomatoes, Velveeta, chili powder and cumin. Cook and stir 1-2 minutes over medium-low heat until cheese melts.
1 10 oz. can diced tomatoes w/green chilies, 8 oz. Velveeta cheese, 1 tsp chili powder, 1 tsp ground cumin
Remove from heat and add the creamed soup, sour cream, chicken, 1-cup shredded cheese and strained hot pasta. Stir well.
10.5 oz. cream of mushroom soup, ½ cup sour cream, 3-4 cups cooked chicken, 2 cups shredded sharp cheddar cheese
Pour the prepared pasta mixture into the greased casserole dish. Cover with crushed tortilla chips. Sprinkle 1 cup shredded cheese on top and bake at 350°F for 30-40 minutes or until casserole is bubbly in the middle.
1 cup crushed tortilla chips
Remove from oven and allow the casserole to rest 5 minutes.
If desired, garnish with drained green-chili tomatoes, chopped cilantro, and more crushed tortilla chips. Enjoy!
fresh cilantro, more tortilla chips