"Crock pot Flat Iron Steak with Portobello Mushrooms & Potatoes. Flank Steak is a great cut of meat to slow cook all day long!..."
INGREDIENTS
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2-3 pounds of flat iron steak
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1 pound of sliced portobello mushrooms
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1 cup beef broth
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1 large white onion sliced into large rings
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3-4 large red potatoes washed and chopped into 1 pieces with skin still on
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butter for greasing crockpot