Soft Tacos with Sausage and Feta

Name: Soft Tacos with Sausage and Feta
Yield: Makes 4 Servings
Ingredients: 2 tablespoons olive oil; 2 hot Italian sausages (about 6 1/2 ounces), casings removed; 2 small red onion, thinly sliced; 1 teaspoon ground cumin; 4 6-inch-diameter corn tortillas; 1/3 cup crumbled feta cheese; 1/2 cup chopped fresh cilantro; 1 1/3 cups sliced romaine lettuce; Purchased red or green salsa