If you enjoy the simple pleasure of sliced apples and peanut butter you're going to love these filled cookies.

(Recipe modified from Little Sweet Baker)
Makes 12 whoopie pies
COOKIES
1-1/2 cups whole wheat flour
2 cups quick oats
2 teaspoons cinnamon
4 Tablespoons melted coconut oil or vegan butter * (See Note)
1 cup maple syrup
2 flax eggs * (See Note)
2 teaspoons vanilla