Step 1

Preheat the oven to 350 degrees F.

Step 2

Grease a large skillet.

Step 3

Over medium heat on the stove-top, heat the canola oil in the skillet.

Step 4

Sauté the onion, celery, and peppers in the heated oil until crisp on the outside and tender.

Step 5

Add the garlic and cook until fragrant, about 1 minute.

Step 6

Stir in the chicken, cream of celery soup, cream of chicken soup, tomatoes, and chili powder.

Step 7

Using half of the tortilla strips, line the bottom of a 3-quart baking dish.

Step 8

Top the tortilla strips with half of the chicken mixture and 1 cup of the cheddar cheese.

Step 9

Repeat these steps with the remaining ingredients.

Step 10

Bake uncovered until bubbly, about 30-35 minutes.

Step 11

Serve warm!