Matt'S Simple Barbecue Sauce
["juice of 1 lemon", "2 c. ketchup", "2 Tbsp. Worcestershire sauce", "1 tsp. prepared yellow mustard", "2 Tbsp. brown sugar", "2 Tbsp. vinegar", "3 Tbsp. orange marmalade", "2 Tbsp. butter (optional)"]
["Combine all except butter", "in saucepan; bring to boil.", "Reduce heat and simmer for 5 minutes.", "Stir in butter, if desired. Serve warm.", "Makes about 3 cups, enough for a large brisket."]
["lemon", "ketchup", "Worcestershire sauce", "yellow mustard", "brown sugar", "vinegar", "orange marmalade", "butter"]