Combine the cubed potatoes, chopped peppers, onion and chopped spam in a large mixing bowl.
In a smaller bowl whisk together the flour, black pepper, salt and garlic powder. Add flour mixture to chopped potatoes and spam mixture and toss to coat all ingredients
Heat oil and bacon drippings in a large skillet on top of the stove. Add the potatoes and spam and brown uncovered on high for about five minutes.
Cover and turn down heat to medium and cook 10 minutes or until potatoes are tender. Remove cover and cook until potatoes are browned and crispy. Makes 6 to 8 servings.
