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					Heat a large saucepan and drizzle with olive oil.
				 
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					Add onion and garlic to saucepan, cook for a minute or until softened.
				 
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					Add water and San Remo No. 35 Elbows, bring to a boil and reduce to a simmer. Cook for 9 minutes, elbows should be tender and there should still be some remaining liquid.
				 
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					Stir through butter and plain flour.
				 
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					Add both cheeses and stir through until melted. 
				 
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					Top with parsley and season with salt & pepper