Lentil Salad

I have always been a fan of Lentils and in salad they are yummy we made this at the "Healthy Happening " my health food cafe.
1/3 cup lemon juice
1/3 cup chopped fresh dill
2 teaspoons Dijon mustard
1/4 teaspoon salt, or to taste
Freshly ground pepper, to taste
1/3 cup extra-virgin olive oil
3 cups cooked brown or green lentils
1 cup diced feta cheese,
1 medium red capsicum, seeded and diced
1 cup diced Lebanese cucumber
1/2 cup finely chopped red onion

Whisk lemon juice, dill, mustard, salt and pepper in a large bowl
Gradually whisk in oil
Add lentils, feta, bell pepper, cucumber and onion and toss gently