By Mayo Clinic Staff

Dietitian's tip:

Limiting the added sugar and fats makes this dessert lower in calories than most chocolate cakes.

Number of servings

  1. DASH diet
  2. Weight management
  3. Diabetes meal plan


    For cake:

  1. 1 1/2 cup whole-wheat pastry flour
  2. 1 teaspoon baking soda
  3. 1/4 teaspoon kosher salt
  4. 2 teaspoons chia seeds
  5. 2 tablespoons water
  6. 2 ounces unsweetened dark chocolate
  7. 2 tablespoons unsalted butter, softened
  8. 2 tablespoons roasted mashed yam
  9. 1/4 cup brown sugar, lightly packed
  10. 1/4 cup unsweetened applesauce
  11. 1/4 cup honey
  12. 1 1/2 teaspoons vanilla
  13. 1/2 cup plain fat-free Greek yogurt
  14. 1/2 cup boiling water
  15. For topping:

  16. 2 ounces melted dark chocolate bar
  17. 12 ounces strawberries, sliced thin (optional)
  18. 2 teaspoons of cinnamon (optional)


Heat oven to 375 F. Spray a 9-inch round cake pan with cooking spray and flour lightly.

In a large bowl, sift the flour, baking soda and salt together. Set aside. In a small bowl, mix chia seeds with water and set aside to gel.

Slowly melt unsweetened dark chocolate and then allow it to cool slightly. Be careful not to allow it to harden.

In a large bowl, beat butter with yams, brown sugar, applesauce and honey for 2 minutes. Add chia gel and beat for an additional 2 minutes. Beat in vanilla and then chocolate. Gradually stir in half the flour mixture and then half the yogurt. Repeat with the remaining flour mixture and yogurt. Slowly and carefully stir in the boiling water. Pour the batter into cake pan.

Bake for about 20 minutes. Test cake with a toothpick — it should come out wet but not gooey. Do not over bake.

Cool in pan on a rack for 20 minutes. Remove cake from pan and cut into 12 pieces. Melt chocolate bar, drizzle over cake. Place on plates and garnish with strawberries and cinnamon.

Nutritional analysis per serving

Serving size: 1 slice

  • Calories 150
  • Total fat 6 g
  • Saturated fat 4 g
  • Trans fat Trace
  • Monounsaturated fat 0.5 g
  • Cholesterol 6 mg
  • Sodium 168 mg
  • Total carbohydrate 24 g
  • Dietary fiber 3 g
  • Added sugars 13 g
  • Protein 4 g

Created by the chefs at Mayo Clinic's Dan Abraham Healthy Living Center.

May 06, 2015