"Indulge in these Mushroom & Swiss Sliders, featuring juicy beef patties, sautéed mushrooms, and melted Swiss cheese...."
INGREDIENTS
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1 lb lean ground beef
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½ yellow onion, diced
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1 tbsp hamburger seasoning
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1 ½ tsp garlic powder, divided
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12 slices Swiss cheese
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4-5 oz fresh mushrooms, sliced
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12 slider rolls (we used King’s Hawaiian)
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2 tbsp butter