Zucchini and goats’ cheese mini frittatas

Ingredients 2 teaspoon olive oil 2 medium red onions, thinly sliced 2 medium zucchinis, coarsely grated (make sure to squeeze excess moisture out) 1/4 cup finely chopped chives 2 egg whites 4 eggs 1/2 cup reduced-fat milk 50g soft goats’ cheese, crumbled 1/4 cup walnuts, chopped Method Preheat oven to 180°C. Grease a 12–hole (1/3-cup…