HEAT oil in a 2 1/2 or 3 quart saucepan over medium heat. Add onion, bell pepper and garlic. Cook just until onion is translucent. Add broth and bring to a boil. WHISK in peanut butter and cumin. Blend well. Season with salt and pepper to taste. Add peas and bring to a boil. Stir in couscous and return to a boil, stirring constantly. REMOVE from heat. Cover and let sit about 5 minutes or until liquid is absorbed. Fluff with a fork; serve immediately.