In a large skillet, heat oil over medium heat. Add red pepper and saute for about 5 minutes or until tender.
In a medium bowl, whisk eggs and cream until frothy. Whisk in salmon, green onion and pepper. Pour into skillet over red pepper and cook over medium heat for about 6 minutes or until bottom of frittata is just golden, lifting the edges of frittata and tilting pan occasionally to allow uncooked egg to run underneath.
Sprinkle with cheese and broil for 1 - 2 minutes or until top is puffy and golden. Slide on to serving platter and cut into wedges to serve.