Skinny Single-Serve Chocolate Raspberry Mug Cake

INGREDIENTS

1 tbsp

+ 2 teaspoons white whole wheat flour (or all-purpose)

2 tsp

granulated sugar

1 tsp

+ 1/8 teaspoon cocoa powder, divided

1/8 tsp

baking soda

salt

1 tbsp

+ 1 teaspoon hot water

2 tsp

vegetable oil

1/4 tsp

white vinegar

1/4 tsp

+ 1/8 teaspoon raspberry extract, divided

1 tbsp

sugar-free raspberry preserves (or raspberry preserves, jam or jelly)

1 tbsp

whipped topping (fat-free or sugar-free) or whipped cream

Fresh raspberries, optional