Barbecue Baked Beans

Preheat oven to 180ºC . Heat 2 teaspoons of oil in a skillet. Saute chopped onion, garlic and green pappers until onions are lightlybrowned, about 10 minutes. Add all the other ingredients. Lightly oil roasting pan using remaining teaspoon of oil. Add mixture. Top with sliced onions. Bake one hour uncovered. The beans should look nice and brown.