Cream Pie Whoopie Pies

Prepare filling as above, except add 1/4 teaspoon coconut extract to the filling. Prepare cookies as above. Roll edges of filled cookies in toasted coconut.
Nutrition Facts per serving: Same as above except 543 calories, 81 g carbohydrate, 22 g total fat (10 g sat. fat), 22 g cholesterol, 315 mg sodium, 4% calcium, 10% iron

Mash 1 banana (1/2 cup) with 1 Tbsp. lemon juice. Prepare cookies as directed, except reduce buttermilk to 1 cup; beat half the banana mixture into cookie batter with buttermilk. Prepare filling as directed, except beat remaining banana mixture into filling with marshmallow creme and increase powdered sugar to 2 1/2 cups.
Nutrition Facts per serving: same as above except 580 calories, 94 g carbohydrate, 62 g total sugar, 2% Vitamin C, 308 mg sodium, 4% calcium

Prepare cookies as directed, except reduce flour to 2 1/4 cups and combine with 1/4 cup unsweetened cocoa powder. Prepare filling as directed, except add 1 Tbsp. unsweetened cocoa powder with powdered sugar.
Nutrition Facts per serving: same as above except 520 calories, 6 g protein, 2 g fiber, 11% iron

Prepare cookies as directed, except add 1/8 tsp. liquid red food coloring to batter with buttermilk. Prepare filling as directed, except fold in 6 Tbsp. finely crushed freeze-dried strawberries.
Nutrition Facts per serving: same as above except 550 calorie, 84 g carbohydrate, 53 g total sugar, 317 mg sodium, 4% calcium, 10% iron

Prepare cookies and filling as directed, except stir 2 tsp. lemon zest into filling.
Nutrition Facts per serving: same as above except 80 g carbohydrate