In a medium saucepan, bring 2 cups of water to a boil.
Add 1 cup of rinsed quinoa, reduce heat to low, cover, and simmer for 15 minutes until the water is absorbed.
Let it sit covered for an additional 5 minutes to fluff up.
In a large mixing bowl, combine the fluffy quinoa with 1 large diced cucumber, 1 cup of crumbled feta cheese, 1/4 cup of chopped fresh dill, 1/4 cup of chopped fresh mint, and 1 medium finely chopped red onion.
In a small bowl, whisk together the juice of 1 medium lemon, 3 tablespoons of olive oil, 1 teaspoon of salt, and 1/2 teaspoon of black pepper.
Pour this vibrant dressing over the salad and toss gently to combine all the flavors.
Chill your salad in the refrigerator for at least 30 minutes before serving.