Chocolate Chip Ice Cream Sandwiches

Bahan-bahan (12 porsi)

• 1½ cups all purpose flour
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup (1 stick) unsalted butter, (at room temperature)
• 1/2 cup packed light brown sugar
• 1/4 cup granulated white sugar
• 1/4 cup sour cream
• 1 large egg, (at room temperature)
• 1 teaspoon vanilla extract
• 1 cup mini chocolate chips,
• 1 pint vanilla ice cream, (slightly softened)
• 1/2 cup miniature chocolate chips