Sunshine Salad with Vinaigrette Dressing

Vinaigrette dressing

• 7 tbsp. olive oil or vegetable oil
• 2 tbsp. wine vinegar
• ¹⁄₈ tsp. salt
• ¹⁄₄ tsp. dry mustard
• pinch of pepper

Salad

• 1 small head of lettuce, washed and dried
• 1 small cucumber, peeled and thinly sliced
• 1 11 oz. can mandarin orange segments, drained
• ¹⁄₄ red onion, peeled and thinly sliced
• 1 banana
• 2 tsp. lemon juice