Preheat oven to 350 degrees

Using a standing mixer, cream together the butter, powder sugar, vanilla and egg together until creamy and combined.

In a large bowl, mix together the flour, cream of tarter and baking soda

Gradually mix in the flour mixture into the wet ingredients until combined and a dough forms

Once the dough is formed, sprinkle about 3 tablespoons of flour onto a cutting board and place the dough onto the cutting board.

Sprinkle some flour onto the cookie dough and roll out the dough to about 2 inches thick

Cut out your cookies and place onto the cookie sheet

Bake your cookies for about 8-10 minutes

Let them cool completely

Royal icing directions:

Using the standing mixer, combine the egg whites, cream of tarter, powder sugar and vanilla and mix on medium speed until stiff peaks form

Split the icing into 2 bowls

In one bowl add a drops of Black gel food coloring and mix.

Add in a few more drops of black and mix until you get the shade of black you want.

Leave the second bowl white

Cut the tips off the piping bags and place a tip into each bag.

Scoop the Black icing into a piping bag fitted with a number 2 tip, and set aside

Scoop the white icing into the piping bag fitted with the last number 2 tip and set aside

Decorating directions:

Using the edible marker, draw out the outline of a Dinosaur footprint

Outline the footprint using the black icing

Outline around the circle and around the footprint using the white icing

Fill in the white area using the white icing

Fill in the paw print with the black icing

Let icing completely dry for about 2 hours before enjoying!