Quinoa Zucchini Frittata Muffins

Ingredients (for 4 servings)

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