Zucchini & basil frittata

Ingredients (serve 4): 60 ml (¼ cup) olive oil 2 garlic cloves, crushed 1 medium white onion, finely chopped 3 medium zucchini (baby marrow), roughly chopped 1 cup torn fresh basil leaves, loosely packed 8 eggs Salt & ground black pepper, to taste 2 medium tomatoes cut into wedges 100g (about 20) Kalamata olives   Method:…