California Summer Salad
["1 cucumber, sliced thin, skinned if desired", "1 purple onion, sliced thin", "2 Roma tomatoes, chunked", "1/4 c. rice vinegar", "salt, to taste", "pepper, to taste", "1 Tbsp. sugar", "1/4 c. vegetable oil", "1/4 c. water"]
["Place all ingredients in an airtight glass jar that can be shaken before each serving.", "Allow several hours or overnight for the flavors to blend.", "This mixture does not have to be refrigerated.", "It can be left out at room temperature, and more ingredients added as needed."]
["cucumber", "purple onion", "tomatoes", "rice vinegar", "salt", "pepper", "sugar", "vegetable oil", "water"]