Ingredients:

1 cup cooked ham, diced
1 cup shredded Swiss cheese
1/2 cup milk (or cream for richness)
5 large eggs
1/4 tsp salt
1/4 tsp black pepper
1/4 tsp Dijon mustard (optional for extra flavor)
1/4 cup chopped green onions (optional)
Directions:

Preheat the oven to 350°F (175°C). Grease a 9-inch pie dish or quiche pan.
In a bowl, whisk together the eggs, milk, salt, pepper, and Dijon mustard (if using).
Stir in the diced ham, Swiss cheese, and green onions.
Pour the mixture into the prepared pie dish.
Bake for 25-30 minutes or until the quiche is set and slightly golden on top.
Let cool for 5-10 minutes before slicing and serving