Smoked Salmon and Cream Cheese Frittata

Name: Smoked-Salmon and Cream Cheese Frittata
Ingredients: 8 large eggs; 1/2 cup whole milk; 1/4 cup chopped fresh chives; 1/4 cup chopped fresh basil; 1/2 teaspoon black pepper; 1/8 teaspoon salt; 2 teaspoons olive oil or vegetable oil; 2 oz cold cream cheese,cut into 1/2-inch pieces; 3 oz thinly sliced smoked salmon, chopped; Accompaniment: thinly sliced red or sweet onion