Two-Cheese Tossed Salad

Ingredients

• 1/2 cup vegetable oil
• 1/2 cup chopped red onion
• 1/4 cup sugar
• 1/4 cup vinegar
• 1 teaspoon poppy seeds
• 1/2 teaspoon dried minced onion
• 1/4 to 1/2 teaspoon prepared mustard
• 1/8 to 1/4 teaspoon salt
• 5 cups torn fresh spinach
• 5 cups torn iceberg lettuce
• 1/2 pound fresh mushrooms, sliced
• 1 cup 4% cottage cheese
• 1 cup shredded Swiss cheese
• 2 bacon strips, cooked and crumbled