Mini Toll House Whoopie Pies - Snowy the Mouse

Ingredients

• 1 1/4 cups all-purpose flour
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt
• 1/4 cup (1/2 stick) plus 2 tablespoons butter, softened, divided
• 1/4 cup packed brown sugar
• 1/2 cup milk
• 1 large egg
• 1/2 teaspoon vanilla extract
• 1 1/2 cups (9 ounces) NESTLE TOLL HOUSE Semi-Sweet Chocolate Mini Morsels, divided
• 1 cup marshmallow creme