Salad Deluxe

Ingredients

• 1 head bibb lettuce, torn
• 1 avocado, diced
• 1 can mandarin oranges
• 1 red onion, sliced
• 1/2 c. sugar
• 1 tsp. dry mustard
• 1 tsp. salt
• 1/2 c. tarragon vinegar
• 1 Tbsp. onion juice
• 1 c. oil