INGREDIENTS
1 tsp
Baking soda
1/2 cup
Cocoa powder, unsweetened
1 cup
Granulated sugar
1 tsp
Salt
1 1/2 tsp
Vanilla
1 tbsp
Apple cider vinegar
1/2 cup
Vegetable or canola oil
1/4 cup
Butter, unsalted
3 tbsp
Sour cream or greek yogurt
1 cup
Water
1 c and 1/2 confectioners' sugar