Summer Berry Spinach Salad

Ingredients (11)

• 2 cups baby spinach leaves
• 3 strawberries
• 1/4 cup blueberries
• 1-2 thin slices of red onion
• 3 ounces white tuna packed in water
• 1/4 cup fruity extra virgin olive oil
• heaping teaspoon of grainy mustard
• 1 tablespoon rice wine vinegar
• 1/2 teaspoon sugar
• 1 teaspoon chopped fresh tarragon leaves plus more for garnish
• kosher salt and freshly ground black pepper