Step 1 of 6
Vegetarian Bean and Cheese Taco Casserole
Preheat the oven to 375°F. Spray a 9x13-inch baking dish with nonstick cooking spray. Set aside.
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Step 2 of 6
Vegetarian Bean and Cheese Taco Casserole
Place the black beans, pinto beans, kidney beans, corn, scallions, bell pepper, salsa, cumin, chili powder, oregano, garlic powder, and salt in a large mixing bowl. Mix with a rubber spatula to combine.
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Step 3 of 6
Vegetarian Bean and Cheese Taco Casserole
Arrange half of the chips in an even layer in the prepared baking dish. Top with half of the bean mixture. Sprinkle evenly with half of the shredded pepper jack and cheddar cheeses. Repeat with remaining chips, beans, and cheeses.
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Step 4 of 6
Vegetarian Bean and Cheese Taco Casserole
Bake the casserole on middle rack of oven until cheese is melted and lightly browned on top, 23-27 minutes.
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Step 5 of 6
Vegetarian Bean and Cheese Taco Casserole
Check to see that casserole is done. Remove from oven or add time as needed.
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Step 6 of 6
Vegetarian Bean and Cheese Taco Casserole
Serve immediately, topped with sour cream and diced avocado if desired.