2 tablespoons olive oil
2 yellow onions, chopped
5 pounds boneless beef brisket
1 slip Italian spread)
2 teaspoons 1 teaspoon salt
ground black pepper to taste
crushed red onion, for topping
2 tablespoons Cajun seasoning
1/4 cup chopped jalapeno pepper (Optional)
1/4 cup finely chopped green bell pepper