In a saucepan bring 1 cup quinoa with 2 cups water to a boil. Reduce to low heat, cover and cook for 15 minutes. Let cool about 15 minutes before assembling salad.
In a frying pan heat a few tablespoons of water. Cook minced garlic and sliced mushrooms for about 5 minutes until tender.
In a large bowl toss all ingredients. Salt and pepper to taste.
Refrigerate until serving.