1. Be sure cabbage and carrots are chopped up into very fine pieces (about the size of rice).
2. Combine the sugar, salt,
pepper, milk, mayonnaise, buttermilk, vinegar, and lemon juice in a large bowl and beat until smooth.
3. Add the cabbage,
carrots, and onion, and mix well.
4. Cover and refrigerate for at least 2 hours before serving.