Peanut Butter Cup Cake

Ingredients

• 2 2/3 cups All-purpose flour
• 3 cups Domino® Dark Brown Sugar
• 1/2 cup Unsweetened cocoa powder
• 1 teaspoon Baking powder
• 1 teaspoon Baking soda
• 1/2 teaspoon Salt
• 4 large Eggs
• 1 1/3 cups Vegetable oil
• 2 cups Whole milk
• 2 teaspoons Pure vanilla extract
• 2 cups (4 sticks) Unsalted butter, softened
• 4 cups Creamy peanut butter
• 6 cups Domino® Powdered Sugar
• 1/4 teaspoon Salt
• 8 tablespoons Milk
• 4 ounces Bittersweet chocolate 60% cacao, finely chopped
• 1/2 cup Heavy cream
• 1 tablespoon Unsalted butter, at room temperature
• 1/4 cup Peanut butter cups, chopped
• Peanut butter cups of different sizes for decoration