Broccoli Salad

1 large head broccoli, broken into small florets
1 medium onion
8 to 10 slices bacon
1 cup mayonnaise
1/4 to 1/2 cup granulated sugar
2 to 3 tablespoons vinegar
1/2 cup raisins
1/2 cup nuts (optional)

Cut bacon into bits and fry crisp.

Mix together mayonnaise, sugar, vinegar, bacon and raisins. Pour over broccoli and onions. Mix well. Let stand at least 1 hour or more before serving.