In ovenproof non-stick skillet, cook bacon for 5 minutes, transfer to paper towel. Reduce heat to medium low and add potatoes, onion and rosemary, cover and cook 10 minutes. Whisk 6 eggs, milk, salt and pepper in a bowl. Pour over potatoes and stir in bacon. Bake at 350 degrees uncovered – 10 minutes – until set. Slice and serve.