INGREDIENTS
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2 tbsp. extra-virgin olive oil
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1 onion, diced
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2 cloves garlic, minced
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1 lb. ground beef
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1 tsp. yellow mustard
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1 tbsp. Worcestershire sauce
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kosher salt
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1 tsp. Freshly ground black pepper
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12 slider buns (or dinner rolls)
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12 slices cheddar cheese
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4 tbsp. butter, melted
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1/4 tsp. garlic powder
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1 tbsp. sesame seeds