Williams Sonoma store smell! small stockpot filled about 2/3 full with water; 1 lemon, sliced, and a few sprigs of rosemary, Then add 1-2 tsp of vanilla. Let it simmer all day long, adding water as needed. You can use the same mix for about 2 days. Good to remember: Lemon, rosemary and vanilla home deodorizer - let simmer all day, adding water when needed.