The finished recipe. Open Omelette with Ham, Peas and CheddarIngredients 1 to 6. 3 large, about 165 g Egg. 60 g Lean ham, sliced (Cooked deli weight, as sold.). 60 g Frozen peas. 25 g Cheddar. 20 g Spring onion. 4 sprays Olive oil spray (Counted at a quarter of a gram per spray, which is what the nozzle on most bottles delivers. Four sprays is 9 kcal.)Ingredients 7 to 7. Plenty Black pepperStep 1. Heat the grill. Beat the eggs with pepper and a pinch of salt.Step 2. Spray a small ovenproof frying pan, add the peas and spring onion and cook for two minutes, then scatter the ham, torn, over.Step 3. Pour in the eggs and cook over a medium heat for three minutes until the edges are set and the middle is still loose.Step 4. Grate the cheddar over and put the pan under the grill for two minutes, until the top is set and the cheese is bubbling.