Zebra Bars - Food Gardening Network

Ingredients

• 1 cup (2 sticks) unsalted butter, softened
• 1 cup packed light brown sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 2 cups all-purpose flour
• 1 teaspoon baking powder
• 1 1/2 cups semisweet chocolate chips
• 1/2 cup white chocolate chips
• 3/4 cup chopped pecans