You'll absolutely 'fall' for this frittata!
Pre-heat oven to 375°F (190°C).
In a large bowl, whisk eggs, milk, salt and pepper. Whisk in cheese. Set aside.
In a 10-inch (25-cm), oven proof, non-stick skillet, heat oil over medium-high heat. Add onion, salt, pepper, ham and broccoli. Cook until softened, about 5 minutes.
Pour egg mixture into skillet with fillings.
Bake until set and golden, about 25 minutes.
Eggs-pert advice: Add 1 head of roasted garlic (cloves removed) to egg mixture!