Small Batch Black Cocoa Cupcakes

Name: Small Batch Black Cocoa Cupcakes
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: American
Ingredients: 32 g black cocoa powder ((⅓ c.)); 60 g Papanicholas French Vanilla Espresso ((2 oz.)); 75 g vegetable oil ((¼ c. + 2 tbsp.)); 100 g granulated sugar ((½ c.)); 1 egg (room temperature); 90 g sour cream (room temperature (¼ c. + 2 tbsp.)); 90 g all purpose flour ((¾ c.)); 1 tsp. baking powder; ⅛ tsp. salt; 113 g unsalted butter (room temperature (5 tbsp.)); ¼ tsp. salt; 180 g powdered sugar ((1 ½ c.)); 24 g black cocoa powder ((¼ c.)); 1-2 tbsp. heavy cream; ~¼ c. candy eye sprinkles (for decorating)