Spinach leaves
Hard boiled eggs
Bacon bits (the "real" stuff)
Sliced mushrooms
Thinly sliced red onion

Use in whatever proportions you like.

POPPYSEED DRESSING:

Combine in blender: 1 tbsp. onion, optional, grated 1 c. salad oil 1/3 c. cider vinegar 1 tbsp. poppy seeds 1 tsp. salt 1 tsp. dry mustard