Vanilla Milkshake Bath Salts 02-23-2010 /node/546 1Servings The soothing scent of vanilla makes these bath salts a relaxing addition to your bath. 1csea salt 1cbaking soda 1cepsom salts 1cpowdered milk 1tvanilla extract Combine Salt and Vanilla. Add remaining ingredients, stir well to combine. Store in air tight container in a cool dry place, or in Fridge. Use 1/4 to 1/2 cup per bath.