Preheat oven to 400 degrees. In a medium sized saucepan add the olive oil, onion, red pepper, and jalapeño. Cook over medium high heat until tender.
In a medium sized bowl add pepper mixture, corn, cream cheese, sour cream, 1 cup cheese, chili powder, garlic, paprika, salt and pepper. Stir until combined.
Spread in a 2 quart casserole dish or small skillet. Sprinkle remaining 1 cup cheese. Bake for 15-20 minutes or until hot and bubbly golden brown. Garnish with green onions if desired.