Ingredients
3 cup all-purpose flour
3 cup granulated sugar
1 tsp baking powder
1 tsp baking soda
1/2 tsp kosher salt
3 sticks salted butter
1/3 cup instant coffee granules
1 1/2 cup boiling water
3/4 cup buttermilk
3 large eggs
1 tbsp vanilla extract
2 1/2 sticks salted butte
1 -pound box powdered sugar
1/2 tsp kosher salt
1/4 cup instant coffee granules
3/4 cup heavy cream
4 chocolate-covered toffee bars
Cooking spray, for the pans
