Step 1

Preheat the oven to 350 degrees F.

Step 2

Sauté the onion and asparagus in olive oil in a 10-inch cast iron skillet over medium-low heat until onions are translucent, about 5 minutes.

Step 3

In a large bowl, beat the eggs.

Step 4

Add the half and half, feta cheese, smoked salmon, sundried tomatoes, salt, pepper and basil and combine.

Step 5

Pour the mixture over the onions and asparagus and place the skillet in the center of the oven.

Step 6

Bake the frittata for about 35-40 minutes, until it puffs up and a knife inserted in the middle comes out clean. Serve warm.