"Instant Pot Polish Meatballs with Sour Cream Mushroom Sauce--a creamy delectable mushroom sauce covers well seasoned and tender meatballs...."
INGREDIENTS
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3 Tbsp butter
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1 cup diced onion
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8 ounces sliced mushrooms
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1 cup beef broth
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2 tsp worcestershire sauce
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1 cup sour cream
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1 ½ Tbsp cornstarch + 2 Tbsp cold water
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Salt and pepper to taste
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1 ¼ pounds (20 oz) ground pork
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1 tsp onion powder
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1 egg
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1 tsp salt
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½ tsp black pepper
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3 Tbsp seasoned breadcrumbs
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2 Tbsp milk