Double Chocolate Skor Squares Recipe

Ingredients

• 1 cup unsalted butter
• 2 cups semi-sweet chocolate chips
• 1 1/2 cups granulated sugar
• 3 large eggs
• 2 teaspoons pure vanilla extract
• 1 1/4 cups all-purpose flour
• 1/2 cup unsweetened cocoa powder
• 1/2 teaspoon salt
• 1 cup Skor toffee bits
• 1/2 cup milk chocolate chips