Quinoa, Spinach and Shiitake Salad

Ingredients

• 1 quart water
• 1/2 cup quinoa
• 1/4 cup red wine vinegar
• 1 tablespoon olive oil
• 2 tablespoons water
• 1/4 teaspoon salt
• 1/8 teaspoon black pepper
• 1 1/2 cups sliced shiitake mushrooms
• 2 tablespoons red wine vinegar
• 1 teaspoon olive oil
• Pinch pepper
• 4 cups packed spinach leaves
• 4 ounces feta cheese (1 cup crumbled)
• 1 cup whole-wheat croutons
• Canola oil spray