Delicious Chocolate cupcakes with Coffee Buttercream

Ingredients

• oz (168 gr) semi-sweet chocolate, chopped. I use Baker's.
• 1/2 cup unsalted butter, softened, at room temprature
• 2 eggs
• 1/2 cup sugar
• 1/2 cup brown sugar or light brown sugar
• 1 cup all-purpose flour, sifted
• 1/4 tsp. salt
• 1/2 tsp. baking soda
• 1/2 tsp. vanilla
• 1/2 cup milk
• 1/2 tbsp.instant coffee (optional)
• For Coffee Buttercream:
• 1 cup unsalted butter, softed , at room temprature
• 3 1/2 cups Powder Sugar, sifted
• 2-3 tbsp. espresso or coffee (depending how strong the coffee taste you want)
• 2 tbsp. Heavy cream
• For Chocolate Drizzle (optional):
• 1/2 cup semi-sweet chocolate chips
• 4-5 tbsp. heavy cream