Quinoa with Tomatoes and Cheese (Quinoa con Queso)

Ingredients (15)

• 1 cup quinoa, well rinsed
• 2 cups water
• 1 tablespoon extra virgin olive oil
• 1 tablespoon butter
• 1 cup chopped onions
• 1 teaspoon minced garlic
• 1 large fresh tomato, cored, chopped (about 1 1/4 cups)
• 1 roasted, peeled, seeded, and chopped large green chile, either Anaheim or Poblano (optional) (See How to roast chile peppers over a gas flame)
• 2 teaspoons tomato paste
• Kosher salt
• Freshly ground black pepper
• 1/4 teaspoon dried oregano (or 1/2 teaspoon fresh, finely chopped)
• 1/4 pound (4 ounces) fresh farmer's cheese, or queso fresco, cut into small cubes
• 1 cup milk
• Fresh basil, cilantro, or chives for garnish (optional)