Step 7 :
Pipe stiff royal icing along both roof lines
Step 8 :
Glue your roof piece in place and then the next . If you want the pieces to join together on an angle , use a scalpel or a micro plane to shave the cookie edge on about 45 degree angel or to desired slant
Step 9 :
Attach the second roof piece and press firmly . Place glasses under either side of to hold the weight whilst the icing is drying . For a quicker dry time try gluing with melted chocolate
Step 10 :
Using stiff royal icing , decorate all joins and roof line with a piping tip to finish off your creation