Lemony Lentil Soup and Whole-Grain Roll

• 2 cups canned low-sodium lentil soup
• 1/2 lemon
• 2 tbsp. light vinaigrette
• Mixed greens with tomatoes, carrots and sliced avocado
• 1 whole-grain roll

Heat soup in a microwave-safe bowl; squeeze lemon into soup. Toss mixed greens with vinaigrette. Serve soup and salad with roll.