INGREDIENTS
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Ingredients
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1 pound ground beef
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1 medium onion, chopped
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1 jar (14 ounces) spaghetti sauce
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2 cups (8 ounces) shredded mozzarella cheese
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1 cup milk
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2 eggs
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1 teaspoon vegetable oil
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1 cup all-purpose flour
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1/2 teaspoon salt