Heat oven to 400 degrees F.

For cookie dough, in large bowl, sift flour, cocoa powder, cream of tarter, baking soda, salt and 1/2 teaspoon of the chili powder.

In mixing bowl, cream butter with 3/4 cup of the sugar (note that you need to reserve 1/4 cup for later).

Add the eggs, one at a time, mixing after each addition. Add the vanilla extract and mix.

Slowly add flour mixture until fully combined.

Line cooke sheet with parchment paper.

For cookie coating, in shallow bowl, combine remaining 1/4 cup granulated sugar, 2 teaspoons ground cinnamon, 1/4 teaspoon chil powder, cayenne (if using); set aside.

With clean hands, shape a small teaspoonful of the dough into a ball, roll in cinnamon and sugar mixture to coat surface, place on cookie sheet and gently press with bottom of glass to flatten.

Repeat until mixture is used up.

Bake for 8 minutes, cool completely.

For the filling, in mixing bowl, cream 1 cup of confectioners' sugar with 4 tablespoons of butter. Add 1/2 cup of marshmallow cream, vanilla extract and beat until creamy and smooth.

Spoon small amounts of filling on center of flat side of cookie. Place flat side of anohter cookie over the filling and gently turn from left to right to spread filling evenly, until it reaches the edges.

Makes about 2 dozen.