INGREDIENTS
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4 teaspoons kosher salt
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2 teaspoons paprika
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2 teaspoons freshly ground black pepper
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1 teaspoon garlic powder
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1 teaspoon oregano
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½ teaspoon cayenne pepper
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3-4 pound sirloin beef roast
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8-10 kaiser buns or other soft white bun
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Sliced sweet onions
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Bread and butter pickles
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½ cup fresh ground horseradish
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½ cup mayonnaise
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1 clove garlic, minced or pressed
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½ lemon, juiced
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pinch of cayenne
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kosher salt and freshly ground black pepper