Poor Man's Pie
Ingredients:
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1 pound ground beef
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salt and ground black pepper to taste
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1 pinch garlic powder, or to taste
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1 pinch onion powder, or to taste
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1 (10.75 ounce) can cream of mushroom soup
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2 (15 ounce) cans green beans, drained
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5 cups mashed potatoes
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2 cups shredded Cheddar cheese