1 If You Are Using A Fresh Red Bell Pepper Instead Of An Already Prepared Roasted Red Pepper, Cook Red Bell Pepper Over Gas Flame Or In Broiler Until Blackened On All Sides. Wrap In Paper Bag And Let Stand 10 Minutes. Peel, Seed And Slice Pepper Into 1/2-Inch-Wide Strips. 2 Preheat Oven To 350