Spinach Salad with Fruit

Ingredients

• 1/2 cup sugar
• 1/3 cup white wine vinegar
• 1/3 cup olive oil
• 1 tablespoon grated onion
• 1 teaspoon ground mustard
• 1 package (12 ounces) frozen unsweetened strawberries, thawed and undrained
• 1 teaspoon poppy seeds
• 1 package (9 ounces) fresh spinach, torn
• 1 cup sliced fresh strawberries
• 1 large banana, sliced
• 1 medium ripe avocado, peeled and sliced
• 2 green onions, thinly sliced