Quinoa Zucchini Frittata Muffins

Ingredients (for 4 servings)

• ½ cup — dry quinoa, cooked
• 2 whole — medium zucchinis, grated
• 4 whole — large egg whites
• 1 tsp — garlic powder
• ¼ tsp — salt and pepper, or to taste
• ⅔ cup — reduced-fat ricotta cheese (or part-skim mozzarella)