INGREDIENTS
1/4 cup
butter (1 stick)
1 cup
semisweet chocolate chips
1 cup
white chocolate chips
1/2 cup
low fat plain yogurt
1 cup
granulated sugar
1/4 cup
unsweetened cocoa powder
3/4 cup
all purpose flour + 1 tbsp
4
large eggs
1/2 tsp
baking powder
1 pinch
salt
1 tsp
vanilla
1 tbsp
instant coffee
cooking spray