Mushroom & Ham Frittata | Australian Mushrooms

Ingredients

• 400g unpeeled, Desiree potatoes, cut into 2cm pieces
• 2 tbs olive oil
• 200g button mushrooms, sliced
• 200g Swiss brown button mushrooms, trimmed
• 250g ham, chopped
• 6 large free range eggs, at room temperature
• 1/4 cup flat-leaf parsley, roughly chopped
• 50g Parmesan, finely grated
• 100g fresh ricotta
• Lemon wedges, to serve