Chocolate Walnut Bundt Tunnel Cake - Recipe #20549 - Foodgeeks

Ingredients

• 1 cup soft butter
• 1-1/2 cup sugar
• 2 egg yolks
• 2 eggs
• 2 tsp. vanilla
• 2-1/2 cup all purpose flour
• 2 tsp. baking powder
• 1-1/2 cup brown sugar
• 4 tbsp. unsweetened cocoa
• 1 tsp. vanilla
• 1/2 cup walnuts, finely chopped
• 1 cup chocolate chips
• 2 egg whites