The Best Chocolate Cake With Chocolate Ganache

INGREDIENTS

Chocolate Cake

large egg

1 cup

granulated sugar

6 oz

plain, vanilla, or chocolate yogurt (thicker Greek-style preferred, do not use diet, fat-free or light yogurt; sour cream may be substituted)

1/4 cup

canola or vegetable oil

1 1/2 tsp

vanilla extract

1/2 cup

brewed coffee, room temperature or warm

1/2 cup

unsweetened natural cocoa powder

1 cup

all-purpose flour

teaspoon baking soda

1/2 tsp

baking powder

1/2 tsp

salt, optional

Chocolate Ganache

9 oz

semi-sweet chocolate (about 1 1/2 cups semi-sweet chocolate chips)

3/4 cup

heavy cream or half-and-half

1 tsp

vanilla extract (or optionally use 1 to 2 tablespoons rum, bourbon, coffee-, orange-, raspberry-, chocolate-flavored liqueur)