Pumpkin Butterscotch Fudge Bars

Ingredients

• 1 cup all-purpose flour
• 1 cup quick or old-fashioned oats
• 3/4 cup firmly packed brown sugar
• 1 1/4 cups chopped walnuts, divided
• 1/2 cup flaked coconut
• 1/2 teaspoon baking soda
• 2 1/4 teaspoons pumpkin pie spice, divided
• 3/4 cup (1 1/2 sticks) butter or margarine, melted
• 2 tablespoons butter or margarine
• 2/3 cup (5 fluid-ounce can) NESTLÉ CARNATION Evaporated Milk
• 3/4 cup granulated sugar
• 1/2 cup LIBBY’S 100% Pure Pumpkin
• 1/4 teaspoon salt
• 2 cups miniature marshmallows
• 1 2/3 cups (11-ounce package) NESTLÉ TOLL HOUSE Butterscotch Flavored Morsels
• 1 teaspoon vanilla extract