Preheat oven to 375°F.

Spray a 9-inch pie dish with cooking spray.

In a large bowl, whisk eggs, milk, hummus, dill, shallot, and black pepper.

Fold in spinach, tomatoes, and ¼ cup of feta cheese.

Pour mixture into the prepared pie dish.

Sprinkle with remaining ¼ cup of feta cheese crumbles.

Bake 30 minutes or until eggs are set and frittata is lightly browned.

Let stand 5 minutes before cutting into 6 pieces.