Ham and Spinach Frittata – Eggs.ie

Ingredients

• Knob of butter
• 1 small onion, finely chopped
• 350g fresh spnach, tough stalks removed
• 8 large Bord Bia Quality Assured eggs, beaten
• 100g cooked ham or loin of bacon, cut into cubes
• 50g hard cheese, finely grated
• Salt and freshly-ground black pepper
• 1 tablesp. olive oil