"These Guinness Beef Sliders are everything you would want in a sandwich! Delicious butter rolls, layered with roast beef, swiss cheese, mushrooms, and onions, then topped with a rich Guinness glaze and baked to perfection. Perfect for St. Patrick's Day or any day, these sliders are guaranteed to become a favorite!..."
INGREDIENTS
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1 Tbsp. butter
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8 oz. sliced mushrooms
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1/2 vidalia onion, sliced
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1/4 c. Guinness
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1 package sandwich rolls (I used King's Hawaiian Savory Butter Rolls)
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3/4 lb. sliced roast beef
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6 slices swiss cheese
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1 bottle Guinness (or use the remainder of the bottle used for mushrooms & onions)
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1 stick butter
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1/4 c. brown sugar
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1 Tbsp. dried mustard
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1 tsp. onion powder
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2 cloves garlic, minced