Another Gretchen Glendenning Salad

Salad:
1 lb. bacon, crispy/chopped
1/2 - 1 lb. swiss cheese
Cottage cheese, rinsed off
1 head lettuce
Mushrooms
Spinach

Dressing:
1 cup canola oil
½ cup sugar
1 tsp. salt
1 tsp. dry mustard
1 Tbs. grated onion
1 Tbs. poppy seeds
1/3 cup vinegar
(½ red wine, ½ white)