"Philly Cheesesteak Stuffed Shells made with ground beef, cheddar, bell peppers and onions with a creamy sauce to drizzle over the shells when they’re done...."
INGREDIENTS
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1 pound lean ground beef
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2 tablespoons butter
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1 small yellow onion, diced
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1 small green bell pepper, diced
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2 tablespoons ketchup
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1 tablespoon Worcestershire sauce
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1/2 teaspoon Kosher salt
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1/2 teaspoon fresh ground black pepper
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8 ounces cheddar cheese, cut into small cubes (divided)