Heat the oven to 350 degrees. Cream the margarine and sugars in a large bowl until fluffy. Add the sweet potatoes, egg, and vanilla and beat for 2 minutes.

Add the remaining ingredients and mix well. Pour the batter into a nonstick loaf pan and bake for 1 hour or until a toothpick inserted in the center comes out clean.

This recipe yields 12 servings. Serving size: 1 slice.

Exchanges Per Serving: Carbohydrate Exchange 4 1/2, Fat Exchange 1.

Nutrition Facts: Calories 370; Calories from Fat 70; Total Fat 8g; Saturated Fat 1g; Cholesterol 0mg; Sodium 467mg; Carbohydrate 70g; Dietary Fiber 2g; Sugars 40g; Protein 6g.