Step 1

Preheat oven to 350 degrees F. Coat a 3-quart casserole dish with cooking spray.

Step 2

In a large skillet over high heat, heat oil; saute, onion, zucchini, and yellow squash 10 minutes, or until softened. Stir in tomatoes, basil, and garlic powder. Set aside.

Step 3

In a medium bowl, combine soup, sour cream, cheese, chicken and pepper.

Step 4

In the casserole dish, layer half the vegetable mixture, then half the chicken mixture; repeat. Sprinkle top with bread crumbs.

Step 5

Bake 45 minutes, or until hot and bubbly.