Chocolate Cupcakes with Chocolate Frosting

Ingredients

• 1/2 tsp salt
• 2/3 cup milk
• 1 tbsp. baking powder
• 2 cups (240 grams) all purpose flour
• 4-5 tbsp milk
• 2 eggs separated
• 1 1/2 cup (120 grams) cocoa powder
• 1/2 cup (113 grams) butter
• !Chocolate Cupcakes
• 8 oz (225 grams) bittersweet/dark chocolate (chips or chunks)
• 1 1/4 (250 grams) sugar
• 2/3 cup non fat Greek yogurt
• !Chocolate Frosting
• 1 1/2 cups (340 grams) soft butter
• 4 1/2 cups (540 grams) powder sugar