INGREDIENTS
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2 Tbsp unsalted butter
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1 cup of minced onion
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1 celery rib, minced
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1 Tbsp minced garlic
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1 carrot, minced
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1/2 cup of minced green onion, including the onion greens
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2 teaspoon salt (use 1 1/2 teaspoons if using Italian sausage)
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1/2 teaspoon freshly ground black pepper
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2 teaspoons Worcestershire sauce
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2/3 cup ketchup, divided 1/3 and 1/3
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1 1/2 pounds of ground beef (chuck)
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3/4 pound of spicy ground pork sausage or Italian sausage (a mix of sweet and hot if you are using links)
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1 cup fresh bread crumbs
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2 large eggs, beaten slightly
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1/3 cup minced fresh parsley leaves