Taco Bake Casserole
Ingredients:
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cooking spray (such as Pam®)
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1 ½ pounds ground beef
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1 cup chopped onion
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½ cup water
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1 (1 ounce) package taco seasoning mix
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1 (10 ounce) can refried beans
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½ cup salsa
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1 (6 ounce) can sliced black olives
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1 (4 ounce) can diced green chiles
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15 taco shells, broken up, or more to taste
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2 cups shredded Cheddar cheese