"Skip the boxed stuff and make spiced hamburger meat casserole from scratch...."
INGREDIENTS
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2 tablespoons unsalted butter
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1 pound ground 90% lean beef
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1/4 teaspoon black pepper
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1 teaspoon kosher salt
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8 ounces uncooked elbow macaroni
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2 cups whole milk
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1¼ cups warm water
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1/4 teaspoon dry mustard
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1/4 teaspoon paprika
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1/4 teaspoon garlic powder
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1/8 teaspoon cayenne pepper
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1½ cups shredded sharp cheddar cheese
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1/2 cup chopped American cheese
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2 tablespoons thinly sliced fresh chives
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1/4 cup panko breadcrumbs
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1 scallion, green part sliced