strawberry spinach salad

Ingredients

• 2 tablespoons cider vinegar
• 2 1/2 tablespoons sugar
• 1 tablespoon grated onion
• 1 1/2 teaspoons dijon mustard
• 1 tablespoon poppy seeds
• 1/3 cup plus one tablespoons mayonnaise
• salt and pepper to taste
• 12 ounces mixed salad greens including spinach, romaine and spring greens
• 1/4 large red onion very thinly sliced
• 1/2 pound strawberries sliced
• 2/3 cup chopped walnuts
• 3/4 cup feta cheese
• 4 slices crispy cooked bacon crumbled