Sausage and Piquillo Pepper Frittata with Fresh Mozzarella and Tomato Sauce

 

1/2 C. pasta sauce

2 T. canola oil (or other neutral-flavored oil)

1 sweet or spicy Italian pork sausage (preferably flavored with fennel; about 4 ounces)

4 small jarred onions, quartered (about 1 ounce or 1/4 cup)

2 roasted Piquillo peppers, ripped into small pieces (about 2 T.)

1 T. plus 1 tsp. ghee or unsalted butter

12 large eggs

2 tsp. kosher salt

2 ounces fresh mozzarella, shredded (about 1/4 cup)

Freshly ground black pepper

 

Adjust the oven rack to the middle position and preheat the oven to 45O°F. Heat the pasta sauce in a small saucepan over low heat, stirring often to keep it from scorching. Heat the oil in a large ovenproof nonstick skillet over high heat for 2 to 3 minutes, until the oil’s almost smoking (you will begin to smell the oil at that point). Slash the sausage casing with a knife and squeeze the sausage meat out of the casing and into the skillet; discard the casing. Cook the sausage, stirring occasionally and breaking it into small pieces as it cooks, until it’s just browned, about 5 minutes. Add the onions and sauté the sausage and onions together for 2 to 3 minutes, until the sausage is cooked through and the onions are golden brown. Transfer the sausage and onions into a bowl and stir in the Piquillo peppers.  Wipe out the pan you cooked the sausages in, then add the ghee and heat it over high heat for about 2 minutes. Lightly beat the eggs with the kosher salt and pour them into the pan. Reduce the heat to medium-high. As the eggs cook, use a heatproof rubber spatula to draw the edges inward, away from the sides of the pan, tilting the pan so the raw egg runs into the space created. Continue cooking in this way for 4 to 5 minutes, until no egg runs off when you tilt the pan, but the top layer of the frittata is still runny and wet looking. Spoon the sausage and onions over the eggs in clumps, leaving room to see the egg poking through in spots and a rim of egg around the edge. Sprinkle the mozzarella between, not on top of, the sausage mixture, and bake the frittata until it’s just set but not browned, 3 to 4 minutes, depending on how well done you like your eggs. Run a spatula under the frittata to make sure it’s not sticking. Shake the pan slightly to further loosen it, slide it onto a large plate, and season it with freshly ground black pepper. Serve the frittata with the tomato sauce on the side.