Tangy Meat Loaf

1/2 cup catsup
2 tablespoons brown sugar
1/2 teaspoon powdered mustard
4 teaspoons Worcestershire sauce
2 teaspoons seasoned salt
1 1/2 teaspoons onion powder
1/4 teaspoon garlic powder
1/4 teaspoon ground black pepper
1 egg
2 tablespoons finely-chopped green bell pepper
1 1/2 cups Wheat Chex