2. TO THE SAME PAN, ADD GARLIC, ROSEMARY, LEMON JUICE AND RINDS TO PAN. STIR IN WORCESTERSHIRE AND BRING TO A SIMMER. COOK FOR 10 MINUTES. REMOVE THE PAN FROM THE HEAT AND STRAIN OUT THE SOLIDS. RETURN THE STRAINED SAUCE TO THE PAN AND ADD THE REMAINING 7 TABLESPOONS BUTTER ONE AT A TIME UNDER LOW HEAT, STIRRING TO INCORPORATE UNTIL THEY ARE ALL MELTED.