I looked through the sweet potato pie recipes here and could not find one quite like this. The topping makes it different. From Reiman Publications' "The Country Cooking Recipe Collection Prize-Winning Pies."
Serving Size: 1 (184) g
Servings Per Recipe: 8
Calories: 541.6
Calories from Fat 234 g 43 %
Total Fat 26.1 g 40 %
Saturated Fat 10.8 g 54 %
Cholesterol 85.5 mg 28 %
Sodium 265 mg 11 %
Total Carbohydrate 71.6 g 23 %
Dietary Fiber 2.7 g 10 %
Sugars 48 g 192 %
Protein 7.7 g 15 %