Spicy Bolivian Chicken

I found this recipe online and tried it at my sisters house. Even her children liked it so we had it again when my parents came out to visit. This version comes from cdkitchen.com, but I'v modified it slightly.
1 1/2 lbs. skinless, boneless chicken breasts, cut in. 1/2 in strips
2 tbsp oil
1 lg. onion, chopped
2 red bell peppers, cut in 1/4 in. strips
2 cloves garlic, finely chopped
1 tsp crushed hot red pepper (or more for spicier)
3 C. chicken broth
3/4 C. peanut butter
10 oz. package peas, thawed
salt and pepper to taste

Season chicken with salt and pepper. Heat oil in lg. frying pan to medium, add chicken strips and saute, while stirring until chicken is white and starting to brown. Add onion, peppers, and garlic and cook until tender, then stir in hot pepper. Add broth and peanut butter, and simmer, stirring occasionally for 10 min. Stir in peas and cook 5-10 min. stirring occasionally until sauce is thick and mixture is heated through. Serve over rice or boiled potatoes.