Prepare rice according to package directions.
In large mixing bowl, combine rice, lentils, edamame, bell pepper, cucumber, red onion and parsley. Toss gently to combine.
To make dressing: In separate small bowl, whisk olive oil, lemon juice, Dijon mustard, garlic, salt and pepper until well combined.
Toss salad with dressing until well combined. Sprinkle with roasted almonds and sunflower seeds, if desired.