"Don't be fooled by their size, these little guys pack major flavor...."
INGREDIENTS
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5 tbsp. butter, divided
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1 large onion, thinly sliced
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2 sprigs, plus 1/4 teaspoon
fresh thyme
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Kosher salt
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Freshly ground black pepper
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12 slider buns, halved
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1 lb. thinly sliced deli roast beef
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12 slices provolone cheese
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1/4 tsp. garlic powder
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1 tbsp. clove garlic, minced
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1 1/2 c. low-sodium beef broth
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1 tbsp. Worcestershire sauce